+ sync code with play 2.3.0-RC1.
 As a result, play-jdbc-standalone now do NOT depend on scala-io-core
+ this version is binary compatible with v2.0.2_2.2.
 So, it is compatible with both play 2.2 & play 2.3.
 So, I remove `_2.2` from version number.
+ cross compile to scala 2.10 & 2.11
+ use [sbt-sonatype](https://github.com/xerial/sbt-sonatype)
+ sync code with play 2.3.0-RC2.
+ update scala 2.11.1
bump v2.0.4