Model for GDrive folder, can list and add, listing is fully tested
GDrive integration now has its own Flask plugin. init_env is set up to use it by default
Basic test page for GDrive folders and files, updated Jasmine tests for latest code and pluginification
Updates to GDrive models (new format for request params) and tightened up the display code for the sandbox page
WIP on permissions
Added permissions (currently not working) and deletion (not working), add folders now works, and descent into trees is tightened up
Merge branch 'feature/gdrive-integration' into brad
Merge branch 'feature/audit' into feature/gdrive-integration
Join models for other objects to GDrive folders and files
Linking up gdrive models to GGRC models mostly properly
Demoable demo of the GGRC/Audit integration showing the master GDrive folder on the Programs page.  This code should be removed before delivery"
Merge branch 'feature/gdrive-integration' into brad
Integrated GDrive models and join models working properly with GGRC mappings -- removed hacky demo code
Added more mappings for GGRC models to ObjectFolder and ObjectFile
Merge branch 'feature/audit' into feature/gdrive-integration

Conflicts:
	src/ggrc/templates/base_objects/show.haml
	src/ggrc/views/__init__.py
Fixed edit for PBC Requests
Merge branch 'feature/audit' into brad
Validating required fields for pbc request
Replaced Apps Script folder listing with native GDrive API folder listing, needing few other changes to Just Work
Merge branch 'feature/audit' into feature/gdrive-integration