updated template for MetroContentControl based on feedback from @ipjohnson
Recreated part of an older PR but for detecting the theme instead.
Updated thememanager again.
Removed static properties and detection of a theme from app resources.
Update MetroTabItem.cs

added a new constructor for the issue #555
Merge pull request #2 from MahApps/master

Merge MahApps master
Style changes for Dark Theme, Codeformatting

-) Day Header and Today Selection didn't look good with Dark Theme
-) Replaced Color Resources with Brush Resources where Possible
Tooltip: Background Color is now the right color for the theme.
Dark Theme:  Background=black, Text=white, border-color=white
Light Theme: Background=white, Text=black, border-color=black
Merge pull request #687 from xxMUROxx/hotfix/Tooltip-Style

Tooltip: Background Color is now the right color for the theme.
Merge pull request #685 from stefan-schweiger/master

Calendar style changes for Dark Theme
calendar style formatting
Replication for ToggleSwitch IsChecked bug
Propose a fix for a bug when IsChecked is changed on ToggleSwitch and this has resulted in setting IsChecked 4 times
Merge pull request #632 from spiritdead/patch-1

Update MetroTabItem.cs
Merge pull request #442 from MahApps/ipjohnson-adorner-fix

Incorporate AdornerDecorator into MetroContentControl
Removed previoulsy commented lines. Reverted MainWindow/MainWindowViewModel from the state where the bug is visible to previous state
Merge pull request #690 from xxMUROxx/hotfix/toggleSwitch-IsChecked-SetMultipleTimes

ToggleSwitch IsChecked set multiple times
style formatting
use ControlsDisabledBrush

for disabled checkbox and radiobutton
fix for ShowIconOnTitleBar="False"