replaced usage of linearGradient with fill colour and fill-opacity on intended rect
David: peer dependencies, example.

Fixes #218.
Merge remote-tracking branch 'toy/compact-flat-style-template'
Make things more obvious for contributors.
Fix test.
Express repo moved to strongloop/express
index: commit the s/visionmedia/strongloop/ to try.

See #227.
Server: Expires header.

Fixes #221.

Hat tip to @bogdanRada and @0xced.