stage 2: idea of external resource pools, synchronized sharing 'em among executors jobs
1) Resource pool (class, factory, storage) conception was integrated to tool
2) Browser became implemented as resource
3) Test has required resource annotation which gives info about what it requires and Bali engine locks it before
start and releases at the end.
4) Thus pool stores already initiated resources, no need to recreate
5) Engine limits max concurrent jobs depending of required resources availability on pool
6) special web view created to monitor and manage resource pools content
New enhancements:
1) Problem of concurrent creating and destroying browsers was solved
2) User able to develop his personal resources and create pools of em