refactor elm snippets

add more Go stuff

add more elm stuff

add Cmd.none and Sub.none to elm

add main, package, and change "re" for Go

add NewContext stuff

add strings.Builder

add error to option funcs

fix a typo

add Go 1.3 error stuff

add close and remove newlines from log.* calls

add some more channel stuff

add another defer snippet

refactor defer and delete snippets

add some js snippets