Added a new widget for loading presentations, added sub-page support, added responsive meta tags to the default template

git-svn-id: https://plugins.svn.wordpress.org/flowt/trunk@879317 b8457f37-d9ea-0310-8a92-e5e31aec5664
Added a sub-page button to the TinyMCE interface

git-svn-id: https://plugins.svn.wordpress.org/flowt/trunk@879319 b8457f37-d9ea-0310-8a92-e5e31aec5664