Hago limpieza en el repositorio y corrijo algunos bugs.

 On branch repositorio
 Changes to be committed:

	modified:   "Ficheros de configuraci\303\263n /ImageRepository_settings.conf"
	modified:   src/CygnusCloud/database/ImageRepositoryDB.sql
	modified:   src/CygnusCloud/imageRepository/constants.py
	modified:   src/CygnusCloud/imageRepository/imageRepository.py
	modified:   src/CygnusCloud/imageRepository/main.py
	modified:   src/CygnusCloud/imageRepository/packets.py
	modified:   src/CygnusCloud/testing/imageRepositoryTester.py