fixed readonly repo icon
Fix notifications for Gnome Desktop
fixed settings dialog style
Merge pull request #190 from gnumdk/master

Fix notifications for Gnome Desktop
fix build under windows
fixed urls construct

Fixed haiwen/seafile#820.

We used string concatation to construct urls, which can't handle
multiple slashes correctly. We need something like python's urljoin
function.
Merge branch '3.1'
better sslerror output