Check if tenant flag is uuid_like for all quota operations

Fix bug 1145706

Change-Id: I9089ea4f968797b248f80bf84027a602e59ccd00
Add wrap option to nova credentials for humans

When using Keystone PKI, a token ID can be over 3200 chars long.
Add optional --wrap option to make 'keystone token-get' human readable
By default wrap=64 (to fit in 80 char terminal).  And can be turned off by
setting wrap=0

Fix bug 1131001

Change-Id: I50be7ebb4323ab1bf07af557403f5136b49080a4
Merge "Add wrap option to nova credentials for humans"
Merge "Check if tenant flag is uuid_like for all quota operations"