fixed build properties: added res folder

Issue-Ref: 4079 Issue-Url: https://af3-developer.fortiss.org/issues/4079

Signed-off-by: Johannes Eder eder@fortiss.org

org.fortiss.tooling.base.ui/build.properties

 # (c) 2011 fortiss GmbH
 
-source.. = src/
+source.. = src/,\
+           res/
 output.. = build/
 bin.includes = META-INF/,\
                .,\