chore(build): refactor batter out and use gulp in one single gulpfile

[manekinekko]

Task #64

Notes:

1. Batter is out.
2. Still need to figure out what should play and play.preboot do.

[manekinekko]

Travis is unhappy because there is a missing semicolon in here server_dom_renderer.ts#L26 ^^

[PatrickJS]

thanks! 👍

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