Removed SourceCollector methods which are now useless
Merged from filtering-sources
Merge branch 'filtering-sources' into parallel-filtering
Merge branch 'master' of github.com:gem/oq-commonlib into parallel-filtering
Changed the weight of non-PointSources
Merge branch 'parallel-filtering' of github.com:gem/oq-commonlib into parallel-filtering
Merge branch 'parallel-filtering' of github.com:gem/oq-commonlib into parallel-filtering
The POINT_SOURCE_WEIGHT is now a class variable
Merge pull request #26 from gem/parallel-filtering

Parallel filtering