Enhancements to Project module

Major enhancements to Project module in Qt client, including adding characteristics and documents to Project and Tasks, revised Project copying functionality (including additional Project Cluster widget menu option).

New Project Task grouping pf projects

Major rework of Project List and Project (Tasks) screens to allow for tighter integration with Orders and searching by Orders.  Hierarchical display of Projects/Tasks and Orders on List and Task views.

per BC Wilson.