Merge pull request #1 from elm-lang/master

Update.
Init array files
Clarify the elements |> operate |> fromList method
Allow push
Fiddle with imports
Add push example
Remove trailing whitespaces
Clarify docs
cosmetic
Fix #543

The function JavaScript.Helpers.split has a hard time deducing when
something is an operator, so the JS variable $ was being mistaken for
an Elm operator.
Merge pull request #542 from Xashili/array

Array implementation
Merge branch 'stable'
Merge branch 'master' of https://github.com/elm-lang/Elm
Cosmetic
Stop relying on Native.JavaScript which no longer exists
Merge branch 'master' into debugger