add BitBucket remote under lib/remotes, add BitBucket to index.js so it is available as a remote, add bitbucket test. Note: BitBucket API does not have support for git trees via REST api
Add in proper API endpoints for files, extract api version to var for easy change later, add bz2 option for future usage if component allows or users ever ask for it
consolidate remote names to 1 all-lowercase reference
Merge pull request #14 from m3-group/master

add BitBucket remote under lib/remotes, add BitBucket to index.js so it ...