Implemented working shortcuts into Dynamo + shifting of styling file
Added IsEnabled property and command parameter for shortcutitem
Merge in toolbar to ChocoButterUI
Adjust toolbar styling + added button image adjustments to make images sharper
Styling resource adjustment as previous styling affects entire window
Shifted shortcutBar into UserControl
Modified shortcut UserControl to take items instead of self init
-Modified shortcut UserControl to take items instead of self init
-Minor UI adjustments
Merge branch 'ChocoButterUI' into chocoMergeShortcutToolbar
Modified shortcut bar creation
Merge branch 'ChocoButterUI' into chocoMergeShortcutToolbar
Merge pull request #489 from SkyApple/chocoMergeShortcutToolbar

Implemented Shortcut Toolbar
Implemented Infinite Canvas
+ Modified DragCanvas to enable dragging node outside canvas for infinite canvas
+ Modified ZoomBorder to work with current canvas structure
+ Added New Grid Line (EndlessGrid)
  - New grid line design by EB
  - Redraw Grid Line if window resize (to support any resolution)
  - Grid Line follows viewport in a seamless manner (simulating infinite grid line)