gateone.py:  Fixed a bug where some terminal app plugins couldn't import the terminal module when running Gate One out of the download/git directory.
gateone.py:  Fixed a bug where an exception would be thrown trying to read a 'theme.css' file that does not exist (in a first-run situation or if the user cleared their gateone_cache directory).
gateone.py:  Fixed a bug in ApplicationWebSocket.broadcast_file_update() where it was using 'notice' instead of 'go:notice'.
gateone.py:  Fixed a bug in ApplicationWebSocket.file_checker() where it wasn't resetting the 'watched_files' modification time after calling a registered file watching function.
gateone.py:  Fixed a bug where a number of functions were not using the correct 'session_dir' variable (they were using the 10server.conf and ignoring what was given on the command line).
gateone.py:  Fixed a bug where Applications' init() functions were not being passed 'settings' that had been overridden on the command line.
gateone.py:  Fixed a bug where you'd get an exception while converting old-style server.conf API keys to the new 20api_keys.conf file format.
gateone.py:  Added some additional debugging information to ApplicationWebSocket.file_checker() when an exception is encountered.