Review RELEASE_NOTES
Review RELEASE_NOTES

Update dates, texts and fix typos

Change-Id: I176f24f8a4c0ab0fa00555607c3fd92e13f3562b
Reviewed-on: http://review.couchbase.org/23250
Tested-by: Sergey Avseyev <87f6d5e4fd3644c3c20800cde7fd3ad1569370b3@gmail.com>
Reviewed-by: Trond Norbye <60edd2ef23891a753f231b0c6f161dc634079a93@gmail.com>

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