syscall: fix prototype of Fchflags (API change)
API change, but the old API is obviously wrong.

R=golang-dev, iant, r, rsc
CC=golang-dev
https://codereview.appspot.com/9157044
doc: add FAQ entry about language changes

R=golang-dev, dsymonds, r
CC=golang-dev
https://codereview.appspot.com/9244043
database/sql: remove an unused field from Rows

Found while debugging memory usage. Nobody accesses this field
anymore.

R=golang-dev, i.caught.air, adg, r
CC=golang-dev
https://codereview.appspot.com/9108043
runtime: reduce max arena size on windows/amd64 to 32 GiB
Update issue 5236
Update issue 5402
This CL reduces gofmt's committed memory from 545864 KiB to 139568 KiB.
Note: Go 1.0.3 uses about 70MiB.

R=golang-dev, r, iant, nightlyone
CC=golang-dev
https://codereview.appspot.com/9245043
runtime: fix crash in badsignal()
The linker can generate split stack prolog when a textflag 7 function
makes an indirect function call.  If it happens, badsignal() crashes
trying to dereference g.
Fixes issue 5337.

R=bradfitz, dave, adg, iant, r, minux.ma
CC=adonovan, golang-dev
https://codereview.appspot.com/9226043

Committer: Ian Lance Taylor <iant@golang.org>
api: add go1.1.txt; update cmd/api to use it

R=golang-dev, adg, r
CC=golang-dev
https://codereview.appspot.com/9250043
tag go1.1rc2
effective_go.html: be more accepting in the guidelines for interface names
Fixes issue 5421.

R=golang-dev, bradfitz, adg
CC=golang-dev
https://codereview.appspot.com/9274043