Moves README to README.md
Updates readme, adds build status icon
Inline Jackson specific annotations

Mixin not supported by restygwt ..
Merge branch 'master' of git://github.com/maesenka/geolatte-common into maesenka-master
Updates to Jackson 1.9.13, removes deprecated method use, updates unit tests.
Updates dependency on Jackson to optional so clients can choose the ASL or LGPL version.