Reducing memory consumption: no reason to store all displayed ChatActions in memory
Merge branch 'pr538'
Merge branch 'pr539'
fix error: vector size mismatch for arithmetic operator
Upload windows build script
Upload windows NSIS installer script
QSharedPointer<ChatAction> instead ChatAction*
qtox.nsis: Option for desktop shortcut
Merge branch 'pr544'
Add icon on windows
format shader code
Merge branch 'pr545'
Rescale smileys smoothly, fix #501
Fix leak, enable NRVO in Core::getUsername
Fix uninitialized return value in createVpxImage
Handle toxcore failures in Core::onAvMediaChange

No, I'm not above using goto for centralized error handling.
Fix leak, enable NRVO in Core::getStatusMessage
Add some core doc comments, remove dead code
Fix small memory leaks

Mostly to make valgrind happy
Made Mute speakers button work