Merge pull request #95 from csmith/master

Send error reports over HTTPS
Stop using StatusBarManager in URLHandler.
Switch to events in Updater.
Merge pull request #96 from greboid/fix-statusbar

Switch to events for status bar messages
Remove some statusbar manager uses.
Merge pull request #97 from greboid/fix-statusbar

Switch to events for status bar messages.
Remove StatusBar.
Merge pull request #98 from greboid/fix-statusbar

Remove Statusbar.
Make CircleCI check out Meta.

This checks out meta, updates the client repo to the right branch
(to cope with PRs, rather than master builds), then runs the client
tests.

DMDirc/Infrastructure#62