Modifications in the foreground, and add a new trigger in the closetab adding the foreground
Fixed DataGridCell selection behavior

Before you had to click exactly an the TextBlock to select the row, now
you can click on the whole row.

Thanks @stefan-schweiger
Allow more items to be displayed in the ComboBox autocompletion demo
Removed unecessary property
Fixed a bug where closing a tab would result in a NullReferenceException. Added a property when a MetroTabItem is created by a Metro*TabControl.
Merge pull request #517 from Amrykid/metro-tabitem-patch1

MetroTabItem Patch #1
Merge branch 'master' of https://github.com/MahApps/MahApps.Metro
Fix .net 45