Add EOF newline to RESTResource.h

Adds missing newline at EOF
Merge pull request #62 from ntodd/patch-1

Add EOF newline to RESTResource.h
Work around an NSCache deadlock.

Defer the NSCache release in RESTCache's dealloc, in case the NSCache is already in
the midst of flushing itself (in which case deallocing it will cause a deadlock.)
Fixes https://github.com/couchbaselabs/TouchDB-iOS/issues/216
Merge branch 'master' of https://github.com/couchbaselabs/CouchCocoa
fixed crash where filtered rows have been over-released