Merge pull request #6 from nuest/moh-yakoub-master

Update from moh-yakoub-master
added missing license headers
cleaned up solr schema file
added solrconfig.xml file and renamed schema file
removed /browse requestHandler from solrconfig.xml
implemented /statistics endpoint
minor changes
moved identification classes to own package/module
updated PG data model to use inserted id instead of SERIAL, updated
insert listener to insert into both databases and generate the
identifier in the listener
updated debug logging statements, using try-with-resource
using "sensorId" or "id" instead of "sensorIdInSIR" wherever
appropriate, removed useless autogenerated javadoc
configuring InsertSensorInfoListener with guice
removed outdated data model files
renamed class files to start with capital letter
inject DeleteSensorInfoListener
changed identification from DB-generated identifiers to identifiers in
listener, updated InsertSensorInfo and DescribeSensor tests
added license headers and a TODO for service reference integration tests
removed jersey-bundle from dependencies, because this is only intended
for use withOUT Maven build system
Conflict resolution
Merge conflit resolution