2.4.0
Authed reg web admin

Also automated pillow getting instead of using absolute path
webinterface uses QColor, so Qt Gui required
Added libqt5xml5 in the install script on linux
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Merge pull request #845 from TheUnknownOne/session

SESSION fixes/changes
Remove registry from po_all

Not compiling for the webinterface in qt5. Still keeping everything for travis
Fix clang compile problem on mac?