packaging: sync to the level of engine

1. Cleanup file layout, files are organized the same manner as studio
exports them:

tos_project - tos_project.
etl_export - project export, used directory from zip:
	ovirt_engine_dwh
	src/ovirt_engine_dwh
	src/routines

2. Single jar creation for entire etl project.

3. Use jboss modules to run projects.

4. Build cleanup.

5. Spec cleanup.

7. Remove unneeded code.

8. Probably more...

Change-Id: I2b4858e62a9095a9a3faf9a41ad8053f8c2e86c7
Signed-off-by: Alon Bar-Lev <alon.barlev@gmail.com>