v0.14.0

Forked to publish 'reduced_fat_crm', a version of fat-free-crm with
more pull requests merged and more contributors.

At this stage, no classes etc have been renamed.

• Various security fixes
• Enable CORS headers
• Ruby 2.0 or less dropped from CI
• Rails 4.2+

Issues:

• Language pt-BR update #432
• #418
• #398
• #429

Full changelist:
v0.13.6...v0.14.0