New command line options to override the parameters of the ini file. New metrics being written on disk (cache rate, playout stop). The orchestrator will try to instantiate the proxy specified in the config. Caching Proxies must inherit from CachingProxy so that the set_cache_size is called. Now printing the estimated time needed for the simulation. If ctrl+c is pressed during the simulation part, it will not exit the program but will write the statistics.
Repaired the tests for the SimuHelpers, as the no_active_download function changed.
Renamed a module to a better name (model).
Added external module loading possibility to load a proxy code from another file.