Bug fixes

Another month of bug fixes and improving OpenLayers in strict mode. Also major improvements to the WMS layer type and features compatibility.

New features, code and performance improvements:
- Implemented unsubscribe page with full workflow for retrieving subscriptions
- Revamped admin settings, added some global subscription type options
- API improvement: Custom subscription with a blank field will now work.
- Improved subscription create / edit forms, with a reusable form function
- Added new subscriptions list form for user account pages.
- Reworked link generation. More robust signed links with timestamp and query string

Changes since DRUPAL-6--2-0-BETA1:

New dev version with latest changes.

IMPORTANT: be carefull when enabling block caching for your homebox. If you use views based blocks which uses Ajax pagination and/or exposed filters, do not enable the block caching feature for this block (from Views UI block settings). It will break your block Ajax behaviours!

Finally fixed longstanding #283722: support multiple fields