updating readme to include install instructions
Merge pull request #43 from MikeSilvis/include_install_instructions

updating readme to include install instructions
Add support for non-master base branch
Also check default base branch
Add configurations for alternate prototype and staging branch names
adding missing consts
Merge pull request #45 from socialcast/allow-non-master-base-branch

Allow non master base branch
bump version
Exclude all reserved branches from cleanup/pruning instead of just aggregate branches
Exclude all reserved branches from cleanup/pruning instead of just aggregate branches
Merge pull request #46 from socialcast/protected-reserved-branches-from-cleanup

protected-reserved-branches-from-cleanup
bumped version
Consider last_known_good_ branches to be reserved
Add spec for cleanup method
bump version
allow override of base branch via environment variable
Merge pull request #48 from socialcast/more-flexible-base-branch-work

allow override of base branch via environment variable
bump version
reserve branch in config and test
Merge pull request #50 from socialcast/reserve-branch-configuration

reserve-branch-configuration