Merge tag 'rel/1.17' and prepare next iteration

Tag Commons Compress 1.17
diff --git a/README.md b/README.md
index c2f3e89..c51fe5d 100644
--- a/README.md
+++ b/README.md
@@ -70,7 +70,7 @@
 <dependency>
   <groupId>org.apache.commons</groupId>
   <artifactId>commons-compress</artifactId>
-  <version>1.16.1</version>
+  <version>1.17</version>
 </dependency>
 ```
 
diff --git a/pom.xml b/pom.xml
index c3eff8e..d97bf13 100644
--- a/pom.xml
+++ b/pom.xml
@@ -24,7 +24,7 @@
   </parent>
 
   <artifactId>commons-compress</artifactId>
-  <version>1.17-SNAPSHOT</version>
+  <version>1.18-SNAPSHOT</version>
   <name>Apache Commons Compress</name>
   <url>https://commons.apache.org/proper/commons-compress/</url>
   <!-- The description is not indented to make it look better in the release notes -->
diff --git a/src/changes/changes.xml b/src/changes/changes.xml
index 8ae1d27..3195582 100644
--- a/src/changes/changes.xml
+++ b/src/changes/changes.xml
@@ -42,7 +42,10 @@
     <title>commons-compress</title>
   </properties>
   <body>
-    <release version="1.17" date="not released, yet"
+    <release version="1.18" date="not released, yet"
+             description="Release 1.18">
+    </release>
+    <release version="1.17" date="2018-06-03"
              description="Release 1.17">
       <action type="fix" date="2018-02-06">
         Removed the objenesis dependency from the pom as it is not
diff --git a/src/site/site.xml b/src/site/site.xml
index ace22cf..139c343 100644
--- a/src/site/site.xml
+++ b/src/site/site.xml
@@ -38,6 +38,7 @@
     </menu>
     <menu name="API Docs">
       <item name="Latest release" href="javadocs/api-release/index.html"/>
+      <item name="1.17" href="javadocs/api-1.17/index.html"/>
       <item name="1.16.1" href="javadocs/api-1.16.1/index.html"/>
       <item name="1.16" href="javadocs/api-1.16/index.html"/>
       <item name="1.15" href="javadocs/api-1.15/index.html"/>
diff --git a/src/site/xdoc/download_compress.xml b/src/site/xdoc/download_compress.xml
index 3757b1f..082a1a0 100644
--- a/src/site/xdoc/download_compress.xml
+++ b/src/site/xdoc/download_compress.xml
@@ -102,7 +102,7 @@
         It is essential that you
         <a href="https://www.apache.org/info/verification.html">verify the integrity</a>
         of downloaded files, preferably using the <code>PGP</code> signature (<code>*.asc</code> files);
-        failing that using the <code>MD5</code> hash (<code>*.md5</code> checksum files).
+        failing that using the <code>SHA256</code> hash (<code>*.sha256</code> checksum files).
       </p>
       <p>
         The <a href="https://www.apache.org/dist/commons/KEYS">KEYS</a>
@@ -111,32 +111,32 @@
       </p>
     </subsection>
     </section>
-    <section name="Apache Commons Compress 1.16.1 ">
+    <section name="Apache Commons Compress 1.17 ">
       <subsection name="Binaries">
         <table>
           <tr>
-              <td><a href="[preferred]/commons/compress/binaries/commons-compress-1.16.1-bin.tar.gz">commons-compress-1.16.1-bin.tar.gz</a></td>
-              <td><a href="https://www.apache.org/dist/commons/compress/binaries/commons-compress-1.16.1-bin.tar.gz.md5">md5</a></td>
-              <td><a href="https://www.apache.org/dist/commons/compress/binaries/commons-compress-1.16.1-bin.tar.gz.asc">pgp</a></td>
+              <td><a href="[preferred]/commons/compress/binaries/commons-compress-1.17-bin.tar.gz">commons-compress-1.17-bin.tar.gz</a></td>
+              <td><a href="https://www.apache.org/dist/commons/compress/binaries/commons-compress-1.17-bin.tar.gz.sha256">sha256</a></td>
+              <td><a href="https://www.apache.org/dist/commons/compress/binaries/commons-compress-1.17-bin.tar.gz.asc">pgp</a></td>
           </tr>
           <tr>
-              <td><a href="[preferred]/commons/compress/binaries/commons-compress-1.16.1-bin.zip">commons-compress-1.16.1-bin.zip</a></td>
-              <td><a href="https://www.apache.org/dist/commons/compress/binaries/commons-compress-1.16.1-bin.zip.md5">md5</a></td>
-              <td><a href="https://www.apache.org/dist/commons/compress/binaries/commons-compress-1.16.1-bin.zip.asc">pgp</a></td>
+              <td><a href="[preferred]/commons/compress/binaries/commons-compress-1.17-bin.zip">commons-compress-1.17-bin.zip</a></td>
+              <td><a href="https://www.apache.org/dist/commons/compress/binaries/commons-compress-1.17-bin.zip.sha256">sha256</a></td>
+              <td><a href="https://www.apache.org/dist/commons/compress/binaries/commons-compress-1.17-bin.zip.asc">pgp</a></td>
           </tr>
         </table>
       </subsection>
       <subsection name="Source">
         <table>
           <tr>
-              <td><a href="[preferred]/commons/compress/source/commons-compress-1.16.1-src.tar.gz">commons-compress-1.16.1-src.tar.gz</a></td>
-              <td><a href="https://www.apache.org/dist/commons/compress/source/commons-compress-1.16.1-src.tar.gz.md5">md5</a></td>
-              <td><a href="https://www.apache.org/dist/commons/compress/source/commons-compress-1.16.1-src.tar.gz.asc">pgp</a></td>
+              <td><a href="[preferred]/commons/compress/source/commons-compress-1.17-src.tar.gz">commons-compress-1.17-src.tar.gz</a></td>
+              <td><a href="https://www.apache.org/dist/commons/compress/source/commons-compress-1.17-src.tar.gz.sha256">sha256</a></td>
+              <td><a href="https://www.apache.org/dist/commons/compress/source/commons-compress-1.17-src.tar.gz.asc">pgp</a></td>
           </tr>
           <tr>
-              <td><a href="[preferred]/commons/compress/source/commons-compress-1.16.1-src.zip">commons-compress-1.16.1-src.zip</a></td>
-              <td><a href="https://www.apache.org/dist/commons/compress/source/commons-compress-1.16.1-src.zip.md5">md5</a></td>
-              <td><a href="https://www.apache.org/dist/commons/compress/source/commons-compress-1.16.1-src.zip.asc">pgp</a></td>
+              <td><a href="[preferred]/commons/compress/source/commons-compress-1.17-src.zip">commons-compress-1.17-src.zip</a></td>
+              <td><a href="https://www.apache.org/dist/commons/compress/source/commons-compress-1.17-src.zip.sha256">sha256</a></td>
+              <td><a href="https://www.apache.org/dist/commons/compress/source/commons-compress-1.17-src.zip.asc">pgp</a></td>
           </tr>
         </table>
       </subsection>
diff --git a/src/site/xdoc/index.xml b/src/site/xdoc/index.xml
index 3104bba..772bc12 100644
--- a/src/site/xdoc/index.xml
+++ b/src/site/xdoc/index.xml
@@ -52,7 +52,7 @@
         </section>
 
         <section name="Status">
-          <p>The current release is 1.16 and requires Java 7.</p>
+          <p>The current release is 1.17 and requires Java 7.</p>
 
           <p>Below we highlight some new features, for a full list
           of changes see the <a href="changes-report.html">Changes
@@ -68,9 +68,6 @@
             </ul>
           </subsection>
 
-          <!--subsection name="What's coming in 1.17?">
-          </subsection-->
-
         </section>
 
         <section name="Documentation">
@@ -93,14 +90,14 @@
             licensed <a href="https://github.com/google/brotli">Google
             Brotli decoder</a>. Zstandard support is provided by the BSD
             licensed <a href="https://github.com/luben/zstd-jni">Zstd-jni</a>.
-            As of Commons Compress 1.16 support for the DEFLATE64, Z and Brotli
+            As of Commons Compress 1.17 support for the DEFLATE64, Z and Brotli
             formats is read-only.</p>
 
           <p>The ar, arj, cpio, dump, tar, 7z and zip formats are supported as
             archivers where the <a href="zip.html">zip</a>
             implementation provides capabilities that go beyond the
             features found in java.util.zip.  As of Commons Compress
-            1.16 support for the dump and arj formats is
+            1.17 support for the dump and arj formats is
             read-only - 7z can read most compressed and encrypted
             archives but only write unencrypted ones.  LZMA(2) support
             in 7z requires <a href="https://tukaani.org/xz/java.html">XZ for