updated PrimeWire
raise version number to 4.5.2
cleanup
twagenthelper: python vers. check replaced by twisted vers. check
new primewire icon
Merge branch 'master' of https://github.com/dhwz/MediaPortal
primewire icons
Primewire 2nd edition
disable HeiseVideo if ast module is not available
raise version number to 4.5.3
Merge branch 'origin/master'