Merge pull request #6 from 52North/master

Update from upstream
changed dependency group id (was hinted at by mvn build)
update NOTICE file
catch exceptions for each output seperately
remove string concatenations from log calls
add R process for enviroCar map matching
add original trajectory as GeoJSON output to enviroCar map matching R
script
Updated NOTICE
fix image rendering R demo
update to R image rendering demo
update of sos plot demo
improve exception handling of R process
extend logging for input error
allow double input values for test calculator R script
add "txt" file extension for result retrieval with mime type "text/plain"
add a few variables for easier debugging
Merge pull request #7 from 52North/master

update from upstream
add hint for using geotools in Eclipse WTP dev environment
update NOTICE file
add hint to readme for using config file with Eclipse WTP for development