api: more go1.6 API additions
api: more go1.6 API additions

Change-Id: Ib838d2b98e3f84ffd240849817cafc69415ba74e
Reviewed-on: https://go-review.googlesource.com/18376
Reviewed-by: Russ Cox <5ad239cb8a44f659eaaee0aa1ea5b94947abe557@golang.org>
Run-TryBot: Brad Fitzpatrick <ae9783c0b0efc69cd85ab025ddd17aa44cdc4aa5@golang.org>
TryBot-Result: Gobot Gobot <66cb808b70d30c07676d5e946fee83fd561249e5@golang.org>

polyverse-security/go,cyberroadie/go,polyverse-security/go,CAFxX/go,cloudflare/go,codestation/go,cloudflare/go,4ad/go,mwhudson/go,theif519/go,4ad/go,linux-on-ibm-z/go,suncycheng/go,miolini/go,linux-on-ibm-z/go,4ad/go,Samurais/go,ganboing/go-esx,vanloswang/go,theif519/go,4ad/go,suncycheng/go,Samurais/go,miolini/go,sndnvaps/go,derekmarcotte/go,golang/go,nawawi/go,binarycrusader/go,ImJasonH/go,akutz/go,Endika/go,josharian/go,CAFxX/go,golang/go,akutz/go,sndnvaps/go,4ad/go,sndnvaps/go,Endika/go,vsekhar/elastic-go,goodlang/good,mwhudson/go,codestation/go,josharian/go,4ad/go,suncycheng/go,miolini/go,polyverse-security/go,cyberroadie/go,miolini/go,Endika/go,CAFxX/go,momchil-velikov/go,derekmarcotte/go,codestation/go,momchil-velikov/go,ImJasonH/go,akutz/go,ganboing/go-esx,sndnvaps/go,momchil-velikov/go,linux-on-ibm-z/go,mwhudson/go,ganboing/go-esx,cyberroadie/go,cyberroadie/go,vsekhar/elastic-go,polyverse-security/go,mwhudson/go,CAFxX/go,theif519/go,mwhudson/go,Endika/go,derekmarcotte/go,cyberroadie/go,josharian/go,derekmarcotte/go,4ad/go,sndnvaps/go,vanloswang/go,derekmarcotte/go,goodlang/good,cloudflare/go,vanloswang/go,Samurais/go,josharian/go,suncycheng/go,theif519/go,suncycheng/go,golang/go,Endika/go,nawawi/go,4ad/go,linux-on-ibm-z/go,akutz/go,vsekhar/elastic-go,ganboing/go-esx,binarycrusader/go,CAFxX/go,goodlang/good,vanloswang/go,polyverse-security/go,momchil-velikov/go,ImJasonH/go,codestation/go,josharian/go,Samurais/go,nawawi/go,nawawi/go,cloudflare/go,goodlang/good,akutz/go,cyberroadie/go,momchil-velikov/go,codestation/go,binarycrusader/go,vanloswang/go,binarycrusader/go,Endika/go,ganboing/go-esx,akutz/go,binarycrusader/go,vanloswang/go,momchil-velikov/go,linux-on-ibm-z/go,ImJasonH/go,theif519/go,golang/go,akutz/go,nawawi/go,polyverse-security/go,nawawi/go,derekmarcotte/go,cyberroadie/go,polyverse-security/go,cloudflare/go,golang/go,mwhudson/go,theif519/go,Endika/go,vsekhar/elastic-go,codestation/go,Cofyc/go,cloudflare/go,ImJasonH/go,codestation/go,sndnvaps/go,sndnvaps/go,ganboing/go-esx,vsekhar/elastic-go,polyverse-security/go,ImJasonH/go,josharian/go,codestation/go,derekmarcotte/go,Cofyc/go,Cofyc/go,CAFxX/go,linux-on-ibm-z/go,golang/go,Endika/go,binarycrusader/go,Cofyc/go,goodlang/good,miolini/go,sndnvaps/go,vsekhar/elastic-go,suncycheng/go,goodlang/good,binarycrusader/go,josharian/go,josharian/go,nawawi/go,cyberroadie/go,golang/go,vsekhar/elastic-go,vsekhar/elastic-go,momchil-velikov/go,akutz/go,Samurais/go,Cofyc/go,Cofyc/go,CAFxX/go,theif519/go,Cofyc/go,miolini/go,momchil-velikov/go,golang/go,Samurais/go,suncycheng/go,goodlang/good,mwhudson/go,Cofyc/go,cloudflare/go,suncycheng/go,linux-on-ibm-z/go,cloudflare/go,ImJasonH/go,Samurais/go,miolini/go,derekmarcotte/go,linux-on-ibm-z/go,theif519/go,miolini/go,vanloswang/go,nawawi/go,vanloswang/go,CAFxX/go,ganboing/go-esx,christopher-henderson/Go,mwhudson/go,ImJasonH/go,ganboing/go-esx,goodlang/good,Samurais/go,binarycrusader/go