New OE2.5 Update -23.05.2017​

Update:enigma2: 4.3.1r7
- allow to downscale with factors up to 225
- eMediaDatabase/DatabasePlaylist: allow to presizing cover arts, use 300x300 as default
- fixed linked and "satpos depend" tuner handling
- fixed motor turning with enabled power measurement (broken since 4.3.1r5)