Fulfilment Subsystem
 * Add new Fulfilment models, controllers, templates and alembic revision
 * Initial code in admin controller to populate fulfilment records
 * Code to generate boarding pass
 * Bump required sqlalchemy and alembic
Merge pull request #249 from iseppi/fulfilment-subsystem

Fulfilment Subsystem
Boarding Pass
 * Create admin page to generate all boarding passes
Merge pull request #250 from iseppi/fulfilment-subsystem

Boarding Pass
Clean up new fulfilment system
 * Move pdf generation to fulfilment_group controller
 * Remove group function from fulfilment and change fulfilment group view to be equivalent
 * Don't add zero qty items to fulfilment
 * New Boarding Pass template
 * Rename boardingpass files to be pdf to match controller function
 * Move lca2013 specific files to theme
 * Change title of non-lca specific boarding pass to zookeepr
 * Fix references to templates in admin controller
Merge pull request #251 from iseppi/fulfilment-subsystem

Fulfilment subsystem
 * Remove render and make it an explicit alias of render_mako
 * Remove unused file lib/template.py and commented reference in environment.py
Merge pull request #252 from iseppi/cleanup-themes

Cleanup themes
Fulfilment Subsystem
 * Remove pdf.mako from theme
 * Use mako_lookup.get_template to load xsl file so that it will use the theme
Merge pull request #253 from iseppi/fulfilment-subsystem

Fulfilment Subsystem
Fulfilment Subsystem
 * Fix admin controller so that it uses get_template
Merge pull request #254 from iseppi/fulfilment-subsystem

Fulfilment Subsystem
 * Update email address for issues
Merge pull request #255 from iseppi/fulfilment-subsystem

 * Update email address for issues on boarding pass
 * Adjust qty offset in boarding pass
Merge pull request #256 from iseppi/fulfilment-subsystem

 * Adjust qty offset in boarding pass
Random Fixups
 * Make qty_free() not lie by checking paid and void
 * Default due date month should actually be the current month
 * Remove tmp svg file when we're done with it
 * say registration rather than rego in admin/lookup.mako
 * Initial fix to make photocomp load