Merge pull request #1 from owms/develop

Fixed bug where attempts to sort a field in descending order were being ...
drop label transform concept
aggs and filters as map instead of list
aggs and filters as map instead of list
configurable agg results converter
make bucket and stats extensible
start of mongo dao crud operations
add support for custom jackson modules
working subaggs
add support for type reference
don't assume geojson geometry mapping for points
add bbox optimization by default
map offset to 'from' in search request
updating poms for 0.6.0-SNAPSHOT development
updating poms for branch'release/0.5.0' with non-snapshot versions
updating develop poms to master versions to avoid merge conflicts
Merge branch 'master' into develop
Updating develop poms back to pre merge state
Merge branch 'release/0.5.0'
bump version in README