Merge branch 'release-0.4.2' into develop
Merge branch 'hotfix' into develop
update scala version to 2.10.0
remove util-querulous
add Base58
update scala version to 2.10.0
re-organize modules

use sbt-0.12.2
use finagle 6.2.0
use util 6.2.0
Merge branch 'feature-scala_2.10' into develop
set version to 0.5.0
Merge branch 'release-0.5.0'