paroa: refactored dialog and inputs
Merge branch 'master' of https://github.com/thoens/Other.git

Conflicts:
	de.bund.bfr.knime.paroa.strat/src/de/bund/bfr/knime/paroa/strat/StratosphereNodeDialog.java
	de.bund.bfr.knime.paroa.strat/src/de/bund/bfr/knime/paroa/strat/StratosphereNodeModel.java