Migrating to Qt. Basic application, i18n, arguments handling and daemon process.
Port database related code.
Use new style string formatting for all.
Merge branch 'develop' into pyqt

Conflicts:
	bin/yaner
	yaner/Application.py
Move XDG_DOWNLOAD_DIR to XDG.py.
Merge branch 'develop' into pyqt

Conflicts:
	yaner/Pool.py
Port timers.
Remove glib specific do_* signal handler.
Port Xmlrpc (not tested).