update icons with the right logo
fix a couple of project config oddities
create ShellService
remove unused ErlOpenContext
make all model classes hidden; move parsing tests from core toe model
move ModelUtils to ModelUtilService
extract utils from OpenAction to OpenUtils
move getModuleInfo to ModelUtilService
merge engine changes
Caching of OTP structure (WIP)
Cache external OTP structure
Use proper backend for external OTP structure