version 1.6.0

Add specialists
New design (Android Material Design) : colors, icons, navigation.
Add imported files version checking (= compare local imported version with latest internet published version)
Corrected "save battle result" bug (was not saving the result)
Corrected most crash (when reloading app after long pause)
Better selection/display of SR scenarii
Corrected UA bug (UA were not saved in army list)
Correct puppet master contract (could not take solos)
Add Ruin (and Ruin in theme forces)
Add Devil's Shadow Mutineers
Add Goreshade3 theme force
Add Force Wall theme force
Add Issyria theme force
Add Kaya2 - Soothe the save beast theme force
Add Butcher3 - Blood in the snow theme force
Add Reznik2 - Weighed and Found Wanting theme force
Corrected Shadows of Retribution theme force