create new module sorcer-rio;
move all config files from lib/rio to sorcer-rio/.../resources;
move maven-dependency-plugin configuration that copies rio libs to sorcer-rio;
remove directory lib/rio;
new configuration build the same structure as lib/rio in target/rio - run with RIO_HOME=$SORCER_HOME/target/rio
[pom] add missing variable
platform: fix imports;
update gmaven plugin;
fix default platform directory