use heroku_rails_deflate gem in server environments
adds Rack::Deflater middleware and serves gzip assets generated by assets:precompile
Automatically built.

commit 2294824e797a11ef8ceccd1af213ca6b30ab3585
Merge: 1bd0484 1c0c15e
Author: Bjvanminnen <Bjvanminnen@gmail.com>
Date:   Thu Oct 2 14:56:57 2014 -0700

    Merge pull request #95 from code-dot-org/blockFix

    fix row with single value input

commit 1c0c15ea4501e523436d5e0e663231a4fb918e85
Author: Brent Van Minnen <bjvanminnen@gmail.com>
Date:   Thu Oct 2 14:40:25 2014 -0700

    fix row with single value input
Merge pull request #97 from code-dot-org/rails_gzip

use heroku_rails_deflate gem in server environments
Merge pull request #98 from code-dot-org/chapterPartners

eu.code.org navigation reorganization