fixed some weirdness
messed up links and did not realize till it was already pushed.
changed config_manager to config_editor
removed old todo, as it is no longer needed.
moved all config files into config directories
Added proper checking for QVariant type
Changed to .conf naming for configs
removed old test extension
Moved extension handling to extension manager

Moved major extension handling from the menu bar into the extension manager and config modules. Also documented and pep8-ified the old code as I worked thorugh it.