Allow panorama dragging using touch.
Enable touch Manipulation events on Panorama control
Readd missing space.
Use PreviewTouchMove and PreviewTouchDown
* Refactor Mouse and Touch events.
* Allow movement with touch using velocity just like mouse.
* Change private vars to camelCase.
* Remove regions
Formatting.
Added a Converter to get a LeftMargin for TreeView
Added a TreeView Metro style
Dragging interop fix

Most users will not notice any difference, but I've changed the way
dragging windows is handled specifically to allow interop with the the
sticky windows library here:

https://bitbucket.org/alfonse/wpf-window-snap
Merge pull request #434 from 5flags/master

Window drag interop fix
fix for #441 from @dak8
updated template for MetroContentControl based on feedback from @ipjohnson
Added Key to GridViewColumnHeader for BasedOn

Added a Key to GridViewColumnHeader so it can be used in based on styles
Changed ComboBox Selection Style to better fit ListBox, ListView, etc. style

Changed ComboBox Selection Style to better fit ListBox, ListView, etc. style

-) Foreground AccentSelectedColorBrush when selected
-) Background AccentBrush when selected
-) Background AccentColor3 when mouseover
MetroTabControl uses MetroTabItems instead of regular ones when data binding.
Forgot to override the MetroAnimated*TabControls.
Fixes #411 by setting a font-size on the Clear button.

Signed-off-by: Amrykid <amrykid@gmail.com>
Merge pull request #455 from Amrykid/textbox-fontsize-clearbutton-bug

Fixes #411
Merge pull request #449 from stefan-schweiger/patch-2

Added Key to GridViewColumnHeader for BasedOn