Changed all python scripts to only run in __main__ and to catch
exceptions and return an exit status of 1 if anything goes wrong
Use explicit version of PyGithub==1.25.1
Run tests after successful installation of beta version
Fix bug in createUnmanagedPackage
Only run master org build if master org username env variable is set
Print a full traceback on failure
Fix syntax error at line 238
Also support user as ORG_NAME if org lookup fails
Only run GitHub build tasks if a GITHUB_USERNAME environment variable is
set
Update enviornment variable names
Add -y flag to unistall of githubpy
Fix issue with generating release notes when no prior releases exist
Move pip install before release_notes.py and actually call
merge_master_to_feature instead of calling release_notes.py again (oops)
Move environment variable extraction outside of function so it is
available in call_api
Fix issue with local vs global variables
Try org lookup by ORG_NAME, if fails, try user lookup by ORG_NAME
Merge pull request #51 from SalesforceFoundation/feature/13-codeship-integration

Finished and tested Codeship integration