read remoteURL from git repository
read remoteURL from git repository; cleanup
changed readme
moved logic for getting remoteUrl from index.js to git.prepareRepo
added tests, improved error handling
rewording in the readme
Merge pull request #17 from dotch/master

Find remoteUrl from project git repo if not specified by the user.
Merge branch 'master' into compute-local-branch

Conflicts:
	lib/git.js
Removed previously extracted function not necessary anymore