Add new DynamoSlider class.
Moved DynamoSlider to CoreNodesUI.
Move serialization shared logic into base class.
Hand-pick changes to slider classes and base class.
Remove dead IBlockingModel interface.
Fix two tests which referenced old Dynamo slider class.
Remove the old DynamoSlider class.
Remove two dead event handlers.
Rename to Number Slider and add search terms.
Rename double slider and add search terms.
Remove WindowsBase dependency.

Threading namespace is no longer needed. Remove WindowsBase reference
and cleanup unused using statements in several locations.
Visual tweaks to expander and slider.
fix for output port alignment for wrapped lines of text in CBN
resolved merge conflicts
updated and added test case
added more test cases for CBN formatting fixes
minor code restructuring
Changes for port snapping defect

updated the port snapping region
changed the cursor to select on mouse leave event
Revert "Changes for port snapping defect"

This reverts commit 9571863af61aadaa60c3049ca9ec52c3674513d7.
Revert "Revert "Changes for port snapping defect""

This reverts commit 7f6a01db48f88fd5ec67773c914150bf3970e4af.
Fix for port snapping defect

Fix for port snapping defect