fixes #9654 - mark seeded org/loc as default

Fixes #10438 - Removed trends:clean task, as it is no longer needed

Fixes #7096 - Adds STI to templates

This commit converts Ptables to be just another type of Template so it
gets the same features as ConfigTemplate. ConfigTemplate was renamed to
ProvisioningTemplate to reflect UI and the name under it's commonly known.

fixes #10695 - don't seed initial taxonomies if there are any already

Fixes #10439 - add tests for trends:reduce task to deal with additions

Fixes #5568 - Improves performance of trends:clean rake task

Perform trend counter dupe counting within the database rather than in the Ruby code.

Fixes #7505 - Changed the way trends are stored in the DB. Now they are stored as intervals

Fixes #9593 - replace .all.map(&:<attr>) with .pluck(:attr)

fixes #8331 - provide some tools for filtering mail

Refs #3809 - fix shadowing outer local variables