Properly query by report id
Send direct response
Access-Control-Allow-Origin: * for all GET requests
Add support for JSONP response to API queries
Access-Control-Allow-Origin: * when POSTing report
Fix crossdomain decorator
Allow some common request headers in reports POST
Add optional description field for BasicReport
Remove report_id
Fix report saving
Rename description to desc
Merge branch 'rhoksoton' into v2

Conflicts:
	taarifa_backend/api.py
	taarifa_backend/models.py