Add Extension Programmatically

[lgaetz (Lorne Gaetz)]

@sktanmoy

Freepbx Framework: 13.0.54

The 13 Bulk Handler module supports importing extensions via fwconsole arguments.
http://wiki.freepbx.org/pages/viewpage.action?pageId=37912685#fwconsolecommands(13+)-BulkImport