Added new submodule for voice congiruation files
Moved extensions to its own repo

Moved the extension file and any required components for the Asterisk
settings to their own repo (and submodule).
Added wget to Vagrantfile setup
Added mpg123 dependencies required by google tts
Updated sound locations to be installed correctly

This is required due to differences in how FreePBX expects the layout
of asterisk packages and how the Asterisk RPM packages lay it out.
Added gitignore for ignoring vagrantfiles