Merge pull request #79 from andreasbovens/master

browser update news post by Bruce
Left and right float styles for figure
Proper markup and float styles for pucture
Max-width for responsive content pictures
Narrower content column. Fixes #73
Redirect the old `showModalDialog` URL to the new one
Add missing video files

Fixes #78.
Move `showModalDialog` to articles
Include `<link>` that points to Atom feed on the home page

Closes #80.
Add missing intro
Nuking stupid typos

If only there a native speaker on the team who could write English what
is proper.
Added a link to Coast icon guidance

.. after several ppl asked on tweeter
Add more missing images
Converted to MD. Fixes #82
Merge branch 'master' of github.com:operasoftware/devopera
Lost <feature> elements returned
A few other pseudo-tags returned
Figure moved to separate file
Grid styles included back, HTML for grids moved to bookmarklet
Mistype in figure inclusion