Quick fix for hierarchical perm editor icon issue that popped up when default for loadInitialData option was changed to true
First stab at dependency notice for BU Navigation
Separated group editor from tree view scripts
Fixed post count discrepancy when links are present
Updates to coincide with navigation plugin refactoring
Note for future refactoring

Remove redundancies between BU_Hierarchical_Permissions_Editor class with BU_Navigation_Tree_View class.
Use correct link post type
Used $wpdb->prepare correctly
Removed bad usage of $wpdb->prepare
Use link post type name from tree view settings object
Use the correct link post type name if nav plugin is activated
Trigger role population on every upgrade
Fixed script load order issue with nav metabox

Split navigation support scripts in to two separate files
Add minified version of nav support scripts
Cleaned up nav plugin dependency notices
Return of navigation filter fields

Due to changes in the navigation plugin
Hierarchical perm editors don't need permalinks
Editable view should not include links when calculating counts
Eliminated duplicate configuration var
Localization - server side