fixing issue#225(deprecation...) by:
1,_config.yml; change "pygments: true" to "highlighter: pygments"
2,rss.xml&atom.xml; change "Layout: nil" to "Layout: null"
Merge pull request #226 from PetersonLian/master

fixing issue#225(deprecation warning)
Fix closing tag
Merge pull request #232 from roman-yagodin/patch-1

Fix closing tag
Fix glyphicons for categories and tags

Added missing base "glyphicon" CSS class as described here: http://getbootstrap.com/components/#glyphicons-examples
Merge pull request #234 from roman-yagodin/master

Fix glyphicons for categories and tags
change index page
some css and template changes for juvia
merge with upstream master