Update ProductionHeroku.md

Made documentation match that found on heroku here and confirmed to work. https://devcenter.heroku.com/articles/play-support
Merge pull request #1850 from Ookami86/2.2.x

Add missing import
Fix for 1779.  Adds query parameters to the URL used for OAuthCalculator signing.
Upgraded to the new sbteclipse plugin that solves the Eclipse class path issue of multiple versions of the same artefact being added to the class path.
Fix formatting in JavaOpenID.md

If you look at http://www.playframework.com/documentation/2.2.x/JavaOpenID
then you can see the list is off significantly.  Inappropriate whitespace eliminated.
Fix formatting in JavaTest.md

Code blocks were all mashed together in JavaTest.md in the notes section.  Cleaned up.
Merge pull request #1861 from wsargent/1779-fix-oauth-parameters

Add query parameters to the URL used for OAuthCalculator signing.
Merge pull request #1848 from retailos/patch-1

Update ProductionHeroku.md with path to Play package binary
Merge pull request #1865 from wsargent/patch-1

Fix formatting in JavaOpenID.md
Java controller methods need to return Promise<Result> not Promise<SimpleResult>

Updated docs and added test to verify behaviour.
Fix a documentation error that fooled me: getSub was renamed to getConfig, apparently.
Merge pull request #1867 from wsargent/patch-3

Fix formatting in JavaTest.md
Added explicit dependency on jansi 1.11 for repository

This ensures that play can be used on Windows with no internet
connection, since SBT magically adds a dependency on jansi 1.11 for
Windows.
Replace play{scala,java}Settings reference with fully qualified class path