Migration for FamilyInstanceParameterSelector & FamilyInstanceParameterG...

Migration for FamilyInstanceParameterSelector &
FamilyInstanceParameterGetter

- Implements FamilyInstanceParameters class to get the dropdown for all
the family instance as well as type parameters.
- Provide migration logic for FamilyInstanceParameterSelector &
FamilyInstanceParameterGetter
- Fixes http://adsk-oss.myjetbrains.com/youtrack/issue/MAGN-2638
- Fixes http://adsk-oss.myjetbrains.com/youtrack/issue/MAGN-2660
- Fixes http://adsk-oss.myjetbrains.com/youtrack/issue/MAGN-2334

More Migration.
- Migrates FamilyTypeParameterGetter  to same as FamilyInstanceParameterGetter
- Fixes http://adsk-oss.myjetbrains.com/youtrack/issue/MAGN-2663
- Migrates GetFamilyInstancesByType  to same as AllElementsOfType
- Fixes http://adsk-oss.myjetbrains.com/youtrack/issue/MAGN-2664
- Migrates OverrideColorInView to Element.OverrideColorInView and also swaps the input port connections, because in 0.6.3 color was first input and element was second, now it's opposite.
- Fixes http://adsk-oss.myjetbrains.com/youtrack/issue/MAGN-3031