Don't do output in library code
Don't do output in library code

Change-Id: Iaed6490dc4a15c4802c965979d944796203ac76a
Reviewed-on: http://review.couchbase.org/13056
Tested-by: Sergey Avseyev <87f6d5e4fd3644c3c20800cde7fd3ad1569370b3@gmail.com>
Reviewed-by: Jan Lehnardt <14e793d896ddc8ca6911747228e86464cf420065@couchbase.com>
Reviewed-by: Trond Norbye <60edd2ef23891a753f231b0c6f161dc634079a93@gmail.com>

uvenum/libcouchbase,trondn/libcouchbase,mnunberg/libcouchbase,mody/libcouchbase,avsej/libcouchbase,PureSwift/libcouchbase,avsej/libcouchbase,avsej/libcouchbase,kojiromike/libcouchbase,PureSwift/libcouchbase,maxim-ky/libcouchbase,couchbase/libcouchbase,mody/libcouchbase,senthilkumaranb/libcouchbase,avsej/libcouchbase,trondn/libcouchbase,maxim-ky/libcouchbase,couchbase/libcouchbase,signmotion/libcouchbase,mody/libcouchbase,signmotion/libcouchbase,uvenum/libcouchbase,mody/libcouchbase,uvenum/libcouchbase,avsej/libcouchbase,kojiromike/libcouchbase,uvenum/libcouchbase,mnunberg/libcouchbase,senthilkumaranb/libcouchbase,couchbase/libcouchbase,senthilkumaranb/libcouchbase,uvenum/libcouchbase,trondn/libcouchbase,PureSwift/libcouchbase,couchbase/libcouchbase,couchbase/libcouchbase,signmotion/libcouchbase,maxim-ky/libcouchbase,avsej/libcouchbase,trondn/libcouchbase,kojiromike/libcouchbase,maxim-ky/libcouchbase,couchbase/libcouchbase,PureSwift/libcouchbase,couchbase/libcouchbase,mnunberg/libcouchbase,mnunberg/libcouchbase,senthilkumaranb/libcouchbase,signmotion/libcouchbase,trondn/libcouchbase,mnunberg/libcouchbase,kojiromike/libcouchbase,avsej/libcouchbase