introduced BookElement class
Merge branch 'master' into ice-cream-sandwich
Merge branch 'ice-cream-sandwich' into yota2
updated Russian text
Merge branch 'master' into ice-cream-sandwich
Merge branch 'ice-cream-sandwich' into yota2
new action codes + new resource string ("Start screen")
Merge branch 'master' into ice-cream-sandwich
Merge branch 'ice-cream-sandwich' into yota2
introduced DisplayBookPopupAction class
Merge branch 'master' into ice-cream-sandwich
Merge branch 'ice-cream-sandwich' into yota2