Renamed book library
Reverted SDK
Added new QuickGuides
Changed first and second pages in YotaReader
Sing in/sign out in network library
Fixed hiding content popup in reader
Fixed popup on backscreen
Fix in files scaning
Removed one of intent filters to handle android.action.VIEW with content scheme
Added new strings
Modified rules for building reader
fixed build
Fixed hardcoded strings on back screen
Merge branch 'qa' into yota2
updated icons