Revert "Add lib2git packages."

This reverts commit 501b349ca5ea2d6148382dade191dda514509ebd.
Revert "Get the node repo directory and deserialize the repo list."

This reverts commit 6263adc0ddad03aceff7ea846fb12081575784ba.
Fix for issue 79.

Connectors now redrawn when new items are added/removed from lists.
Add Hermite Spline node.
Image previews in dynReadImageFromFile, also resurrecting dynKinect

first cut, more work to do on both.
dynHeight

extracts a height (z value above zero) for given element
Add some alternate UI testing stuff.
Update packages with new Kinect SDK.

Also update the gitignore so it's picked up.
Make the number and strings take input again.
dynHeight consmetics
safer bitmap previews

- do bitmap updating in sep thread to not lock UI
- deal with exceptions more gracefully
Evaluate normals on faces by UV not by reference point.
Compute XYZs from UVs instead of RefPoints.
Remove TestTypes wayyyyy outdated.
Remove test types project from solution.
Sandbox shows a drag canvas.
Type loading in sandbox.

Broken, still needs Revit API.
sample and definition additons

from older commit on waltham machine
Merge branch 'master' of https://github.com/ikeough/Dynamo
Add multi select.