Refactored tests for nice aligned output in the future
Added missing license headers
Refactoring config vars, further implementation of the config but not done yet
Refactored files names (convenience). Adjusted climp-player API (now climpd-player). climpd-player is now a singleton. Bugfix when setting a playlist. Added climpd-{config, logger} and helper APIs (terminal-color-map, bool-map)