Upgrading sbt-native-packager and docs
Revamped documentation due to #2915 and #2898
Upgraded to javassist 0.18.2-GA

Fixes #1966
Merge pull request #2921 from muuki88/master

Upgrading sbt-native-packager and docs
Merge pull request #1966 from jroper/1966-upgrade-javassist

[Play-2.2.x] some code causes java.lang.VerifyError at runtime
Upgrade to sbt 0.13.5
Upgrade to sbt-web 1.0.0 along with associated plugins
Merge pull request #2949 from huntc/sbt-0135-sbt-web-100

Upgrade to sbt 0.13.5 and sbt-web plugins 1.0.0
Merge remote-tracking branch: upstream/master