contexthub: Be paranoid with bash scripts

We add "set -u" to our bash scripts.  This will make the script
terminate with failure in the case of an unknown variable, instead
of silently evaluating that variable as 0.

These scripts are running cleanly now, but we add this to catch
potential typos in future maintenance.

Change-Id: Icc79cf371b620ef53148baa1b43f01858f53029d
4 files changed
tree: 5d7a8d3161b59706f2030f1848bb0dca95cb426d
  1. contexthubhal/
  2. firmware/
  3. sensorhal/
  4. util/
  5. .gitignore
  6. CodingStandard.txt