Download Archive page
Textual tweaks
Adjusting downloads archive page
Adjust style
Add some copy to the downloads archive page
Adding csp transformer option for dart2js in Chrome apps
Merge branch 'master' of github.com:Janamou/www.dartlang.org into dart2js-transformer-csp
Added more options to dart2js
make target; fix Safari OS detection; fix 404s by using `pub deploy`
Update the style guide

Staged at:
https://sg-dot-dart-lang.appspot.com/articles/style-guide/

Fixes these issues:
https://github.com/dart-lang/www.dartlang.org/issues/964
https://github.com/dart-lang/www.dartlang.org/issues/878
https://github.com/dart-lang/www.dartlang.org/issues/874
https://github.com/dart-lang/www.dartlang.org/issues/862
https://github.com/dart-lang/www.dartlang.org/issues/831
https://github.com/dart-lang/www.dartlang.org/issues/806
https://github.com/dart-lang/www.dartlang.org/issues/754
https://github.com/dart-lang/www.dartlang.org/issues/707
https://github.com/dart-lang/www.dartlang.org/issues/671
https://github.com/dart-lang/www.dartlang.org/issues/668
https://github.com/dart-lang/www.dartlang.org/issues/661
https://github.com/dart-lang/www.dartlang.org/issues/658

R=rnystrom@google.com

Review URL: https://chromiumcodereview.appspot.com/593203002
Added note about dart2dart
Change SHAs to say 'SHA-256'
Download archive link at bottom of download page
Merge pull request #1048 from Janamou/dart2js-transformer-csp

Adding csp transformer option for dart2js in Chrome apps
min-width the download table columns
Merge pull request #1040 from srawlins/downloads-archive

Download Archive page
Fixing download_archive packages
Adding real files
Merge pull request #1056 from srawlins/fix-download_archive-packages

Fixing download_archive packages
Adding a page for Debian downloads.

BUG=
R=kathyw@google.com, sgjesse@google.com

Review URL: https://codereview.appspot.com/149910043