Fix invalid iterator usage in TextDocument::appendLine()
Fix the top margin of the user listview
Attempt to keep the content position when reached max block count
Retain focus after opening a URL in browser
Don't blink top level items
Fix TitleBar height on Linux
TreeWidget: reorganize the context menu

Add a disabled item as a "title" to prevent accidental destructive hits
Listen to screen lock/saver on OSX and enable alerts (#53)
Listen to screen lock/saver on Windows and enable alerts (#53)
Update communi-shared
Scroll back to bottom when cancelling browser search
Remember the previously used term after canceling and searching again
Remember the previously used search mode for find next/prev shortcuts
Show/raise/active window on tray message click
Revise the separator line for new messages
Scroll the list & tree per pixel on Mac
Fix ThemeLoader on Mac
Pimp up the dark theme
Update communi-shared
TitleBar: fix link color