Update Script Launcher Tab
Changes for initial support of reference collection and search
- #(enh) - Initial support for reference indexing and searching in an
index

- #(enh) - Add support for a Design Hierarchy view that shows the module
  hierarchy of each project.
Debug-message cleanup
Updates to reference searching and design hierarchy view for efficiency
Merge pull request #265 from mballance-sf/master

Add reference-search support and Design Hierarchy view