add ability to override esformatter options
add rc dependency
remove previous option overriding in favor of 'rc'
add a short readme section for .jsfmtrc
grab indent level from .jshintrc if present
update .jsfmtrc section to mention .jshintrc
Merge pull request #7 from brettlangdon/override-options

Add ability to override esformatter options
Merge remote-tracking branch 'upstream/master'