removed some gradle build warnings about deprecated api and unknown variables; update to gradlew 1.8 because IntelliJ works even more better with that
Merge remote-tracking branch 'origin/master'
copper-monitoring-client: added vendor info to generated jnlp file; remove some more Gradle warnings
Merge remote-tracking branch 'origin/master'
Merge remote-tracking branch 'origin/master'
gradle: don't mark src/main/java as resource set because it confuses IntelliJ; instead copy *.fxml and other resource files on each build "manually"; improved some Gradle code lines by using newer api