Add Host header in http request
Add Host header in http request

http://cbugg.hq.couchbase.com/bug/bug-555 points out that Host
is a required field in HTTP 1.1

Change-Id: I8576796ace691439aac512985fc0d038a20baef7
Reviewed-on: http://review.couchbase.org/25822
Reviewed-by: Sergey Avseyev <87f6d5e4fd3644c3c20800cde7fd3ad1569370b3@gmail.com>
Tested-by: Trond Norbye <60edd2ef23891a753f231b0c6f161dc634079a93@gmail.com>

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