Target version for Indigo Igloo release. Rename rocon_scheduler_requests package to concert_scheduler_requests, replacing the earlier version.
Add thread locking for schedulers and requesters (#24). Rename ResourceReply class ActiveRequest (#27). Move resources module to another package (#26). Remove some deprecated methods: abort(), free(), reject(), release() (#21) Revise status labels and transitions.
Experimental Python module for testing scheduler_msgs interface.