ZSH: more Mac stuff
vim: automatically fold license-text in Qt source-files
Merge remote-tracking branch 'origin/master' into macos
vim: qml-filetype detection
zsh: git-status red on whitespace-errors

also gwhite & gcheck aliases for git diff --check
update submodules
Merge remote-tracking branch 'origin/master' into macos

Conflicts:
	.zshrc
update submodules