Merge branch 'master' into casa

Conflicts:
	rooms_availability_constraints.info

Author: salvoscala

README.txt

@@ -27,8 +27,8 @@ Simply download and activate the module.
 
 Rooms Availability constraints requires:
 
-rooms_availability (>=1.3)
-rooms_booking (>=1.3)
+rooms_availability (>=1.4)
+rooms_booking (>=1.4)
 
 CONFIGURATION
 -------------

includes/rooms_availability_constraints.availability_agent_range_filter.inc

@@ -3,7 +3,7 @@
 /**
  * Filter by group_size and group_size_children.
  */
-class AvailabilityAgentDurationFilter extends AvailabilityAgentCommonFilter {
+class AvailabilityAgentDurationFilter extends AvailabilityAgentFilterBase {
 
   const MINIMUM_DURATION_FILTER = 'minimum';
   const MAXIMUM_DURATION_FILTER = 'maximum';