Add 'rroots_set_required_plugins' function for setting required plugins using TGM Plugin Activation.
Moved custom metaboxes and fields, options pages, and customizer functionality into separate plugins.  All are now enabled from here instead of class files.
Update version to 3.1.0
Remove includes for metaboxes.php, options.php, and customizer.php.  Add plugins.php.
Moved custom metaboxes and fields, options pages, and customizer functionality into separate plugin folders.  Added TGM Plugin Activation because metaboxes and fields and the options pages functionality requires Titan Framework.
Adding files for the TGM Activation Plugin.
Added Titan Framework as a required plugin.
Removed Titan Framework from the required plugins list in this file and moved it into plugins.php.
Add instructions for requiring plugins.
Fix typo.
Update file location and name for the Customizer Controls class.
Moved this class into the customizer folder and renamed the file.
Moved activation of TinyMCE customizations out of tinymce.php and into this file.
Remove initialization and move it into plugins.php
Removed inclusion of tinymce and moved it into plugins.php
Moved with tinymce.php from lib/tinymce to lib/plugins/tinymce
Renamed from 'tgm-activation' to 'tgm-plugin-activation'
Merge branch 'master' into development