Merge pull request #5 from itagenten/master

Changed 'fs' to 'localfs'
fs-provider has been renamed localfs-provider
Merge pull request #7 from dontcallmedom/patch-1

fs-provider has been renamed localfs-provider
Renamed provider to localfs. Updated copyright notice
Reverted providername 'fs'
Added keywords to package.json to enhance plugin discovery
merged conflicts from firebaseco master