Merge pull request #2 from EHJ-52n/develop

Merge with latest developments from EHJ-52n
added todo
Add method to set Timestamp value from long incl. test
add CONTRIBUTE.md
Fix link to project in CONTRIBUTE.md
add joda-time dependency for testing
use new functionality from OxF to create sensor descriptions without offering metadata in output elements
Merge branch 'develop' of https://github.com/EHJ-52n/sos-importer into develop
minor log statement update: removing some \t and \n
add osm-wms.de as default WMS for FOI map panel
log statement update
Merge pull request #3 from EHJ-52n/develop

Merge with latest developments from EHJ-52n
Use new third-party dependency from OxF: *-ncname-resolver
remove comment garbage
add log for offering and fix bug offeringIdentifier not used
Merge pull request #4 from EHJ-52n/develop

Merge with latest developments from EHJ-52n
Merge pull request #5 from 52North/develop

Merge with latest updates from 52North:develop