able to handle missing git installation
default value for changelog filename; no exception if branch name not according to branch convention
bugfix work in progress
minor bugfixes; removed debug output
some bugfixes for git-free feature
works on master (i.e. w/o slash in branchname)
removed unused regex
email address in <>
version bump
Phils review remarks
Merge pull request #18 from devbliss/feature/handleMissingGit

feature/handleMissingGit