Update to 3.7.0

Added data binding plugin.
Updated tab bar to maintain correct state of navigation lists.
Added horizontal scroll panel.
Updated UIDeletable to UIEditList. This enables changing order of list
items or deleting list items.
Minor updates for EditableList and Data Binding.

Renamed UIDataBinding to UIBindData.
Reorganized the editableList code.
Removed pics folder from checkin.
Minor reorg of editableList code.
Removed old UIDeletable examples.
RTL type update.
Merge pull request #85 from sourcebits-robertbiggs/master

Update to 3.7.0