* Add build status in README.textile
* Fix some javadoc error in comments
* Fix indexOutOfBounds exception in playHander::parseRequest

Conflicts:
	framework/src/play/db/DB.java
	framework/src/play/db/jpa/JPA.java
	framework/src/play/db/jpa/JPAPlugin.java
[#1857]Automatically convert existing sessions the first time people connect from an older 1.2 version of Play to the new v1.3, from then onwards the new cookie format will be used.
[#1858] chore(netty): Update to netty 3.9.3.Final
[#1832] perf(docviewer): add 'NoTransaction' annotation for controller PlayDocumentation and ProjectDocumentation