Fixed a bug with titlebar-less windows losing their ability to be dragged. It came from my fix of 10343ae838b9888e409bdf3371b914ee4d33bb45
Removed the commented code.
Merge pull request #546 from Amrykid/movingwindow-showtitle-fix

Fixes the ability to move a titlebarless-window that I broke in my last PR
Fix for issue #511 to allow AlternatingRowBackground to be set from a DataGrid style
Fixes #540
Fixes #539
MetroTabItem uses ItemFromContainer.
Don't try to remove the TabItem from Items if the TabItem's CloseTabCommand is bound.
Fix for a rare dispatcher exception.
Removed comments and added braces.
fixes #547, simplifies close behaviour to run command handler before closing item
updated demo for MetroTabItem usages
this is a terrible bugfix which should not last the week
Merge branch 'master' of https://github.com/MahApps/MahApps.Metro