* Don't restrict the 'state' parameter to being an int only (per OAuth2 spec)
* Ensure to always filter the return value (even if false) from get_credentials()
* Props Jamie P for pointing out/patching the above.


git-svn-id: https://plugins.svn.wordpress.org/keyring/trunk@872011 b8457f37-d9ea-0310-8a92-e5e31aec5664
Merge branch 'master' of github.com:methnen/keyring

Conflicts:
	service.php
Bringing our fork of this in line with stock Keying with one exception
- Moved the filter hook for keyring_admin_url around so that it passes params and the URL
- The above necessitated the rewriting of the filter at the top of the file.
	- Path for the above was sent to beau but he hasn't had a chance to give his thoughts yet.