implemented function drawslope
using default menu list in case an invalid MenuCategory is set
added device info in displaychannel
improved menu icon display
changed devices list, device numbers start with 0
fixed bug that hasposter is only true if poster really exists
no absolute pathes allowed for image type 'image', path has to start with {ressourcedir}
Version 0.0.3
Merge branch 'master' into debian
update changelog