Update UAA-APIs.rst

Added an example on how to query for the existence of a specific username. It took me quite some time to figure out how to format the query.
String to Authority conversion bugfix
Remove CloudFoundry.com and Cloud Foundry references. [Fixes #56147062]
Merge pull request #55 from bitbender/patch-1

Update UAA-APIs.rst
Merge pull request #60 from pradtke/dev/authority-from-string

String to Authority conversion bugfix
Merge remote branch 'upstream/master'
Update UAA-APIs.rst to include valid JSON examples

Closes #63

Signed-off-by: Zach Robinson <zrobinson@pivotallabs.com>
bundle update sample login app

GitHub issue #56

Signed-off-by: Julz Friedman <julz.friedman@uk.ibm.com>
Merge pull request #64 from fhanik/develop

Fix double quotes enclosure in json object
Merge pull request #62 from fhanik/master

Remove CloudFoundry.com and Cloud Foundry references. [Fixes #56147062]
Merge branch 'master' into develop
1.4.6 release of the UAA
update copyright and Login link to Pivotal Web Services
Merge branch 'release/1.4.6' into develop