Fixed error when attempting to close AniDB connection.

App now links its self to SSO user via userid instead of appid.
SSL cert and key now stored/retrieved from data folder.

Fixed issue with custom providers having spaces in their names that was causing settings to not save

Fixed issue #260 - removed redundant clear errors and clear warnings button, merged into one button.

Fixed issue with provider cache API calls.

Token exchange performed to get offline token for API access.

Added general settings option to specify a comma delimited list of allowed video file extensions to be checked against existing files when performing show updates/refreshes

Checking for updates now redirects back to referrer url

Fixed WebHandler routing errors

Cut main show view load time down by 6s