add RSS feed for the blog
 Fixed link bugs

 Faq page:  Bug=XWALK-2874
 Content security policy page: Bug=XWALK-2875
 Icons page:  Bug=XWALK-2876
Merge branch 'rss-feed' of https://github.com/baleboy/crosswalk-website into baleboy-rss-feed
 Updated rss feed file and bottom area of website

 RSS: check title empty and skip, added description, icon on footer area link
 Reorganized footer content on all pages.
Merge branch 'baleboy-rss-feed'
Merge branch 'doc-links2'
 Added download button w/border only

 Added download button with blue border and white text
 Modified download button to have all-blue bkgd

 Changed from blue border-only to all-blue background  for Download button on home page
 Changed hero buttons to blue w/border

 Modified button css for main get started and download button on home page
 Added twitter icon. Adjusted spacing of hero btns

 Added blue/white twitter icons.
 Adjusted button size and twitter links on the main homepage
 Updated Downloads
 Restored a font setting needed for IE

 A pull request was merged that altered a font file unrelated to the pull
 request topic.  The change broke Windows font (added Source Code Pro).
 This reverts to the previous values in the _variables file
 Fixed links that didn't end with ".html"
Merge branch 'doc-links3'
 Reduced image sizes. Improved google video look

 Resized and resaved home screen images to improve load time
 Added frame and better graphic to the google video
 Fixed alignment of google video caption
 Reduced graphics sizes to used size on lg screen

 Ran profiling tool and reduced graphics size to the size used on large
 desktop screen to improve download speed
 Reverted font change due to rendering issue

 Changed css/fonts.css file back to original (before last push)
Merge branch 'fix-apostrophes' of https://github.com/baleboy/crosswalk-website into baleboy-fix-apostrophes
 Reverted a few changes for ` --> <code> blocks

 Some of the changes to the quotes were not necessary.  Using the
 quote ` mark will convert to <code>.
Merge branch 'baleboy-fix-apostrophes'