doc/go1.10: first draft of release notes
doc/go1.10: first draft of release notes

Change-Id: If7ec07be4ecb0c1d6a1eb5c0740f150473aea6fa
Reviewed-on: https://go-review.googlesource.com/78130
Run-TryBot: Russ Cox <5ad239cb8a44f659eaaee0aa1ea5b94947abe557@golang.org>
Reviewed-by: Russ Cox <5ad239cb8a44f659eaaee0aa1ea5b94947abe557@golang.org>

golang/go,cloudflare/go,josharian/go,golang/go,nawawi/go,codestation/go,CAFxX/go,nawawi/go,Cofyc/go,josharian/go,josharian/go,josharian/go,akutz/go,josharian/go,codestation/go,cloudflare/go,nawawi/go,golang/go,codestation/go,cloudflare/go,nawawi/go,nawawi/go,akutz/go,codestation/go,Cofyc/go,christopher-henderson/Go,CAFxX/go,akutz/go,cloudflare/go,codestation/go,CAFxX/go,Cofyc/go,josharian/go,codestation/go,CAFxX/go,Cofyc/go,golang/go,CAFxX/go,CAFxX/go,cloudflare/go,golang/go,nawawi/go,josharian/go,cloudflare/go,Cofyc/go,golang/go,Cofyc/go,golang/go,codestation/go,akutz/go,akutz/go,codestation/go,cloudflare/go,cloudflare/go,akutz/go,josharian/go,akutz/go,nawawi/go,akutz/go,Cofyc/go,CAFxX/go,CAFxX/go,golang/go,Cofyc/go,nawawi/go