Custom server URL for calibre wireless connection (#4238)
Custom server URL for calibre wireless connection (#4238)

* Custom server URL for calibre wireless connection

* DEBUG to logger.dbg or logger.info

* Add timeout

koreader/koreader,Markismus/koreader,mihailim/koreader,mwoz123/koreader,houqp/koreader,Hzj-jie/koreader,Frenzie/koreader,poire-z/koreader,pazos/koreader,NiLuJe/koreader,Frenzie/koreader,poire-z/koreader,NiLuJe/koreader,koreader/koreader