update koreader-base to include fixes
Merge pull request #267 from hwhw/master

update koreader-base to include fixes
update koreader-base to include new djvulibre repo address
Merge pull request #268 from chrox/master

update koreader-base to include new djvulibre repo address
update koreader-base
Merge pull request #270 from hwhw/master

update koreader-base