Initial import from main repo
Renamed ImmutableArray.apply to ImmutableArray.copy and added a new apply method that behaves like the apply method of all the other collection classes
Upgrade to SBT 0.13.6
Fix deprecation warning
Added DigestUtils helpers that take a File as an argument
Added a helper for writing to a temp file and then doing a rename on success or deletion on failure
Added GrowableByteArray helper class used by our ByteArrayImageOutputStream implementation
Tweak the naming of the temp file so that it starts with a dot
Import a few more methods from our internal repo
Moved ResourceCheckTimerTask out of the ReloadedResource class (so it's no longer nested) to make it more GC friendly.  Also try to make ReloadedResource more fault tolerant