Fixed Issues since Linux Mint 17.3 BETA

All editions
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	mintsources: Fixed up-to-date checks
	mintupdate: Setting broken icons breaks mintupdate
	mdm: Don't let users with an encrypted home directory use auto/timed login

Cinnamon Edition
----------------
	

MATE Edition
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	latest issues and translations in:
		atril
		mcc
		mate-desktop
		marco
		mpm
		caja
		mate-applets
	indicator-sound-gtk2 -> launch mate-volume-control when in MATE


KDE Edition
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Xfce Edition
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