[rackspace|compute] updating mocks
[rackspace|compute] fixing broken address test
[rackspce|block_storage] fixing tests
[rackspace|load balancers] making failing usage tests cases pending until I can get them fixed
[rackspace] fixing broken user tests; adding wait_for_request method to add in testing
[rackspace|compute] fixed metadata tests
[rackspace|compute] fixing broken tests
[rackspace|block_storage] fixing broken volume type tests
[rackspace] setting default fog timeout to 2000 for testing; removing specific hard coded timeouts.
Merge branch 'master' of github.com:fog/fog into fix_tests
Merge pull request #1918 from rackspace/fix_tests

[rackspace] fixing broken tests