Update README

https://www.pivotaltracker.com/story/show/59947000

[ci skip]
Use uaa wars from maven repo
Fix running of old style integration tests
Fix commons-codec version conflict
Remove AuthorizationCodeGrantIntegrationTests

Already covered by AppApprovalIT
Ignore saml incompatible test when saml is active
Revert "Ignore saml incompatible test when saml is active"

This reverts commit a8c5b21f947a3d563d2b8dd47e3dd05119cb4bf8.
Remove ClientConnectionIntegrationTests

It has been superceeded by LoginIT
Make the remote authentication manager extensible
Fix incorrect username display after autologin

https://www.pivotaltracker.com/story/show/70399730
Soft coded uaa version
Soft coded uaa  (fix)
Bump release version to 1.6.1
Merge branch 'release/1.6.1'
Merge branch 'master' into develop
Bump next developer version
bump non module version
bump non module version
merge master
Java 7