Enigma2-meta: rework plugin meta files and prepare for inclusion into enigma2 translation. Meta.xml files are now only in english and translation is now easy possible for all languages over enigma2 translation project. This also reduces consumed space inside flash memory. Add missing TempFanControl plugin meta and LICENSE. DreamInfohandler.py,SoftwareManager: follow meta xml changes. fixes #578
add a format converter, i.e. to convert from lamedb to sat.xml files the main destination format of this converter is a sat.xml file easily extendable with further datasources