make ErlRuntime implement IRpcSite
make IBackend extend IErlRuntime
integrate runtime and backend step 1
move connect functionality from backend to runtime
rename RuntimeInfoManager to RuntimeInfoCatalog
fix problem in retrieving all runtime versions
fix rpc api for runtime
fix warnings
move epmdwatcher to backendcore
fix warning
small fixes
add restartable attribute to backendData, and remove autostart
remove unused code; cleanup
small fixes
clean up BackendHelper and remove unused methods
remove OutputStreamMonitor
simplified ibackend and ierlruntime
separate rpcSite from erlRuntime and Backend
fix testing plugin content
merge modifications to runtime and backend