Migration method for ApproximateByTangentArcs -> Curve.ApproximateWithArcAndLineSegments
Merge branch 'master' of https://github.com/DynamoDS/Dynamo
Parser utility refactor

1. Move Parse  impl from graphutils to ParserUtils
2. Refer all parse calls to ParserUtils
3. Created Nunit test for CoreUtils. All tests that test CoreUtils
functions must be implemented here
4. Added First few CoreUtils tests
Rename some xaml files, removing dyn prefix.
Move resource dictionaries into themes folder.
Ensure use of sharedresourcedictionary in all resource dictionaries.
All views should use shared resource directories.
Make Fonts copy to UI directory and change fonts refs in modern dictionary.
Merge branch 'master' of https://github.com/DynamoDS/Dynamo
Added tool-tip style for further fine tuning

Conflicts:
	src/DynamoCore/UI/Themes/DynamoModern.xaml
Replaced "Border" usage in tooltip template with "Grid"
Implemented PlacementToPathConverter and PlacementToRowColumn the new tooltip
Updated "SLightToolTip" tool-tip style to work with converters
Implemented "PortToPlacementConverter" to control tooltip placement
Updated PortViewModel's DataTemplate to use the new tooltip

Conflicts:
	src/DynamoCore/UI/Themes/Ports.xaml
Formatted PortViewModel's DataTemplate in a more readable form
Removed mouse event handlers (Info Bubble) for input/output ports
Updated node nickname to use the new styled tool-tip
Implemented "Dynamo.UI.Controls.DynamoToolTip" with custom placement
Updated converters to work with the new "DynamoToolTip.AttachmentSide" property