Merge pull request #45 from electricface/master

update po power by new scrpit tool mytx
fix desktop start
add uninstall_pkg_from_desktop interface
fix sohu mirrors
add ca1 official mirror
no delay, if failed, quit daemon
update dsc-daemon.py
update skyshe_http mirror
update skyshe_http mirror
update skyshe_http mirror
update skyshe_http
update default skin and po
fix dsc-daemon
add peewee for data query
update backend signal type
update zh_CN.po
update zh_CN.po
update download_manager
update app icon
update desktop