Window icon fix

FIX Window icon is too pixelated
Issue #417
Merge pull request #420 from AleksandarDev/master

Window icon fix
Added version script as standalone task and simplified VS project files
PasswordBox: validationTooltip bugfix

PasswordBox has the same bug as TextBox and ComboBox had, this should fix it.

https://github.com/MahApps/MahApps.Metro/issues/134
Issue #426: ToggleSwitch Bug

I've added a binding between ToggleSwitch and ToggleButton that fixed the bug that i reported on issue #426
Merge pull request #425 from stefan-schweiger/patch-1

PasswordBox: validationTooltip bugfix
Update ToggleSwitch.cs
Merge pull request #427 from Traquina/patch-1

Issue #426: ToggleSwitch Bug
Merge branch 'master' of https://github.com/MahApps/MahApps.Metro

Conflicts:
	MahApps.Metro/Styles/Controls.PasswordBox.xaml