- added global var wfc_version.  update comments to PHPDOC.
- removed global $wpdb from methods that weren't using it.
- added /** @var $wpdb wpdb */ to all $wpdb references.  it helps with IDE autocompletion
- updated some comments to PHPDOC format
- updated comments to PHPDOC syntax
Merge branch 'develop' of https://github.com/stevecfischer/scf-framework into develop
Merge branch 'develop' of https://github.com/stevecfischer/scf-framework into develop