[maven-release-plugin] prepare release 0.6.3-RC3

git-svn-id: https://svn.apache.org/repos/asf/hama/trunk@1529593 13f79535-47bb-0310-9956-ffa450edef68
[maven-release-plugin] prepare for next development iteration

git-svn-id: https://svn.apache.org/repos/asf/hama/trunk@1529595 13f79535-47bb-0310-9956-ffa450edef68
HAMA-809 - applied draft patch to solve LR cost function problems

git-svn-id: https://svn.apache.org/repos/asf/hama/trunk@1531245 13f79535-47bb-0310-9956-ffa450edef68
Update website index page

git-svn-id: https://svn.apache.org/repos/asf/hama/trunk@1531249 13f79535-47bb-0310-9956-ffa450edef68
HAMA-809 - small refactoring of LRM

git-svn-id: https://svn.apache.org/repos/asf/hama/trunk@1531265 13f79535-47bb-0310-9956-ffa450edef68
Merge branch 'trunk' of https://github.com/apache/hama into trunk