Added standby feature for scanning
Scanning go to sleep after idle cycles
refs #1005 #1006
add int conversion for idle_cycle_count in setter
refs #1005
add cycle_count to PisakRowStrategy in general config
refs #1005
Only main scan group can go to sleep
Applied changes to jsons
refs #1005
Merge branch 'scan-sleep' of github.com:BrainTech/pisak into scan-sleep

Conflicts:
	pisak/scanning.py
Subgroups also sleepable
Applied some unification to all jsons
refs #1005
Added scanning features to docs
Added description of scan sleep property
refs #1005
Merge branch 'master' into scan-sleep

Conflicts:
	pisak/res/json/symboler/main.json
	pisak/res/json/viewer/album.json
	pisak/res/json/viewer/library.json