#1155760 by deviantintegral, voxpelli: Catching more exceptions, eg. when the consumer key is incorrect

Resetting the old 6.x-3.x branch on Drupal.org to become the new one by doing a merge towards master with the ours strategy

#1002482 by voxpelli: Large database refactoring focused on basing relations on internal id numbers
by voxpelli: Improved nonces, nonces can now be longer and too long nonces will throw errors
by voxpelli: Removed consumer UI as it became complicated with new DB and there's no apparent need for it
by voxpelli: Updated to use Autoload 6.x-2.0:s D7 backport for specifying included classes
by voxpelli: Don't show key/secret on consumer adding
#1017220 by voxpelli: Deactivated body_hash-checking when Inpustream isn't installed

by voxpelli: Fixed bug assigning context to OAuthServer
by voxpelli: Code cleanup
by voxpelli: Made inputstream a suggestion instead of a dependency
by voxpelli: Made ctools an optional recommendation instead of a dependency
by voxpelli: Changed to use API-version in ctools exports