don't do soyc reports when gwt compiling vaadin apps
speed up GWT compiles by collapsing properties
bump GWT to 2.5.1
bomb early if required exes are missing
NMS-6068 fix opennms status return code when not configured
maven 3.0.3 -> 3.0.5
always renice ourselves if we can
pom work: Fix xml encoding type: MACROMAN -> UTF-8
pom work: Fix xml encoding type: UTF8 -> UTF-8
NMS-6076 use data tmp directory for the JVM