Expand CKUploader to support uploading to generic URLs
Merge branch 'v2.x-beta' into uploader-urls
Merge branch 'v2.x-beta' into uploader-urls

Conflicts:
	ConnectionKit/CKUploader.m
Switch uploader tests over to URL-based API
Remove path-based uploader API
Merge commit '5728133fa67b37d32f103ca52d7302520e37ea89' into uploader-urls
Guarantee that +pathOfURL will strip trailing slashes
Merge branch 'v2.x-beta' into uploader-urls
Remove unecessary retain/release dance of URL
Introduce the concept of a record's contents not being complete

For directories to know there may be more contents yet to come. When
not complete, the tick mark is not drawn
Mark a record's content as complete affects all descendants
Mark root transfer record as complete once uploader has been invalidated
Merge pull request #68 from karelia/contents-complete

Don't consider directory transfer records to be finished until their contents are complete
Merge branch 'v2.x-beta' into uploader-urls
Merge pull request #67 from karelia/uploader-urls

Switch CKUploader API over to URLs
Merge branch 'v2.x-beta' of https://github.com/karelia/ConnectionKit into delegate-queue

Conflicts:
	ConnectionKit/CK2OpenPanelController.m