Fixes #3: Removed link and refs to fetching images to local server.
PHP docs put on 2 shortcode handling methods
Code documenting of main plugin file. Fixes #2

* PHP docs put on 2 shortcode handling methods
* Added basic docs to init and class
* Documented the main page printing methods of the plugin
* Finishing up misc method documentation
Merge branch 'dev' of github.com:OdinsHat/AWIN-Feeder into dev
Merging branch 'dev' including some bug fixes.