as node-sass chokes in css directives like @-webkit-keyframes, also extend the hiding and unhiding for the other types of keyframes
when hiding don't forget to unhide them...
it should return when not found, not when found
don't set the new css to the return value of the forEach...
and don't forget to remove the debug logs
also search for files without adding extension
fixing bug where empty files would call the callback twice. removing debug logs
removing logmessage about empty files
comment log line from _createBundleFile
remove log line about bundles
remove warning about not rewritable
remove no scripts warning log
adding internal sproutcore checkout
merging scbuildtools/master