rename a couple of variables; deleted an unused font
show dual-pane only on sw720dp+ devices
pre-select the first item on the chapter list while in two-panes mode
save state between orientation change for dual-pane mode; prefix book title into the activity title fordual-pane mode
rename item_id to chapter_name
removed a reduntant call to read the JSON
replace the deprecated TwoLineListItem with a RelativeLayout
renamed the ChapterListAdapter adapter once again