update libraries version
replace lift-json with json4s
add scala 2.10.4 to crossScalaVersions
add scala 2.11.0 to crossScalaVersions
remove 2.10.0, 2.10.3 from crossScalaVersions
Merge pull request #11 from zaneli/scala_2_11_0

update libraries version and add scala 2.10.4, 2.11.0
remove scala 2.9 support

Signed-off-by: Tsuyoshi Ozawa <ozawa.tsuyoshi@gmail.com>
Add @xerial as a developer

Signed-off-by: Tsuyoshi Ozawa <ozawa.tsuyoshi@gmail.com>
Updated publish URI to use HTTPS

Signed-off-by: Tsuyoshi Ozawa <ozawa.tsuyoshi@gmail.com>
Update Installation section

Signed-off-by: Tsuyoshi Ozawa <ozawa.tsuyoshi@gmail.com>
Updated the sbt launcher script
#13 Add sbt-sonatype plugin
Fix settings for sbt-sonatype