Merge pull request #67 from fastnsilver/tech-refresh-plus-mvp

Tech refresh plus MVP
Updated credits
Merge pull request #71 from fastnsilver/master

Updates to mvp-sample application
Fix for issues #53 and #70.
Add Javadoc.  Move interface and implementation of filter into respective individual files.
Merge pull request #72 from fastnsilver/issue-70

Fix for issues #53 and #70.
Changed class visibility from package to public
Added another push example