Added forward manifest, config and profile
Added gitignore
Added testerhead-cpp profile and config/manifest
Fixed loglevel initialization
Removed manifests, use config files instead
Moved json parsing into new static elliptics_client_state::create()
Use new elliptics_client_state::create() which accepts filename and returns elliptics client and json object
Revorked forward app to use elliptics_client_state::create() and friends.
Code style cleanup
testerhead app must be initialized from own config file