Revert "Drawable interface."

This reverts commit b99eaa792a584161e609601a0f87c392d5278dcb.
Package manager is back per Zach's request for a demo
Merge branch 'master' of https://github.com/ikeough/Dynamo
Package manager secret handshake
Bind port tooltips.
Remove dead method.
Cleanup update center method on ports.
Remove dead method on port.
Move some stuff out of the port constructor.
Move converters to separate file.
Fix for MAGN-213
Merge branch 'master' of https://github.com/ikeough/Dynamo
Created utilities folder in solution
Deleted older types
Fixed DynamoElements.csproj
Add a resource dictionary for text.
Add some resources for connector display.
Replace connector type events with commands.
Cleanup 2 dead connector methods.
More connector cleanup.