Update svg images and grunt workflow
Modify db connector

* Move db connection file to inc/priv/ and begin tracking it
* Use env variables for db connection
* Add static methods and properties for api class
* Refer to instance variables in header and footer
* Remove old includes from index.php, cleanup comments
* Modify references to the db connection
* Output svg sprite and accompanying svg:use tags
Add styles for new holiday and birthday svgs
Ticker updates

* Remove old ticker styles
* Update ticker plugin for better performance
* Wrap and hide svg icons output
* Alter grunt workflow for new javascript