contentdatastore: fix events system
Fixed black lines on the Mosaic operation
GEOT-4836, fixing resolution computation in mosaic
Merge pull request #493 from geosolutions-it/upstream

GEOT-4836, fixing resolution computation in mosaic
Moving datastore classes from impl package into org.geotools.data.wfs.
Merge pull request #491 from jdeolive/wfs-ng-pluggable

Moving WFSDataStoreFactory to org.geotools.data.wfs package.
GEOT-4833
Merge pull request #496 from geosolutions-it/upstream

GEOT-4833, GeoTiffReader sometimes leaves uncloseable files
Merge pull request #492 from NielsCharlier/events

contentdatastore: fix events system
GEOT-4739: AuxiliaryFilePath absolute/relative management
Merge pull request #500 from geosolutions-it/GEOT-4739

GEOT-4739: AuxiliaryFilePath absolute/relative management
Merge branch 'master' of https://github.com/geotools/geotools into GEOT-4835