Merge branch 'release/0.4.0'
Merge branch 'release/0.5.0'
no need to keep managed source under the unmanaged source dir
use sbt to generate sources
Added bijection-avro module which provide various avro based injections
added Date classes

date classes to support joda time and other date conversions.
added correct import statement for jodatime
updated Guava to version 14.0. Added bijections for Base16, Base32, Base32HEX, Base64, Base64Url
lets bijection-util be distributed
Merge branch 'master' of https://github.com/twitter/bijection into develop
Merge pull request #131 from mosesn/packaging-util

lets bijection-util be distributed
remove withSources
Merge pull request #132 from twitter/withSource-fix

remove withSources
Bump version number.
Bumping version numbers
Merge branch 'release/0.5.1'
Merge branch 'release/0.5.1' into develop
Resolve conflicts.
Bump version number.
Bumping version numbers