Merge pull request #36 from PeterJensen/master

Added SIMD.JS to ES7 topic
Update 07.md
Update 07.md
Update 07.md

eliminate agenda item for symbols as WeakMap keys, added import-into-namespace syntax agenda item
Add unscopables to July agenda
Merge pull request #37 from arv/july

Add unscopables to July agenda
Update 07.md

added a couple background reference links
Object.assign and Rest/Spread Properties
Merge pull request #38 from sebmarkbage/patch-2

Object.assign and Rest/Spread Properties
Update 07.md
Update venue address
NoSuchProperty for ES7
Add Array.prototype.contains
Merge pull request #39 from domenic/patch-1

Add Array.prototype.contains
Added fbellard's 64-bit Math proposal
Add document numbers and agenda items from Istvan
Add signaling stability of existing features

@wycats and I have some thoughts
Merge pull request #40 from domenic/patch-2

Add signaling stability of existing features
Update 07.md
Update 07.md