Add a whole bunch of stuff to createRelease.sh (OMG BASH SCRIPTING AHH)
Add a whole bunch of stuff to createRelease.sh (OMG BASH SCRIPTING AHH)

This adds a bunch to the release script. It now has:
- CLI args for verbose, dry run, cutting changelog versions, and updating version bases
- Traps to always delete keys
- Better error handling for gradle
- Checking required envs

Man bash is unpleasant

hzsweers/CatchUp,hzsweers/CatchUp,hzsweers/CatchUp,hzsweers/CatchUp