0.2.1 - update through2

Changes:

• Updated through2 for performance gains - @shinnn

0.2.0 - Support extended `deps` config

Changes:

• Add extended deps configuration - @RReverser
• Add template option for custom template string - @RReverser
• Switched to through2 as per Gulp 3.4 guidelines, which breaks node 0.8 compatibility.