migrate all providers codebase to dl poms, WiP, untested
update poms, fix dependencies
move commons-req and sos-platform from the platform to service CL
add exceptions to Launcher
SorcerResolvingLoader: remove pom files from resolved codebase;
pom: remove no_aop from guice
ServiceRequestor: publish codebase as artifact:;
add sorcer-api only if declared codebase is null;
resolve versions of codebase artifacts;
logback config: bring levels to the top of the file;
fix ex5;
fix SorcerRunner exporting codebase