fail gracefully when the Kobo light device cannot be opened
Merge pull request #625 from hwhw/master

fail gracefully when the Kobo light device cannot be opened
Merge pull request #626 from chrox/master

font weight option should be persistent between launchings
fix(setting): handle empty setting files properly

empty reader setting evalues to nil
Merge pull request #627 from houqp/houqp-master

fix(setting): handle empty setting files properly
adapt reader footer for small screen
adapt touch menu for small screen