atomic: touch here and there

touches:
  - remove `new` from atomic itself. Request can live without that
  - try to parse 404's content, maybe there's something
  - replace bitwise OR with `Math.floor` to get first digit

check:
 - <http://jsperf.com/math-floor-vs-math-round-vs-parseint/117>
gulp: build with AMD support only when called with
atomic: cut some bytes
atomic: add "plugin" to get text-