update base to latest koreader-base
update base to latest koreader-base

this includes the new freetype text rendering

ashang/koreader,Hzj-jie/koreader,poire-z/koreader,ashhher3/koreader,NiLuJe/koreader,robert00s/koreader,poire-z/koreader,Frenzie/koreader,koreader/koreader,koreader/koreader,mwoz123/koreader,NiLuJe/koreader,apletnev/koreader,NickSavage/koreader,houqp/koreader,Frenzie/koreader,frankyifei/koreader,noname007/koreader,Markismus/koreader,mihailim/koreader,chrox/koreader,lgeek/koreader,pazos/koreader,chihyang/koreader