Shell Interpreter modified to log command output into logs/unified_stack.log plus wait till command is executed.
Packstack configuration plus integration to Integrator.
Packaging functionality added to packstack_setup.py for accessing modules accross other directories
unified_stack.cfg moved into data_static directory.
FI config settings updated for unified_stack.cfg

Integrator for all the different modules. ( Need to be modified according to different module requirements)