Merge pull request #1 from tpluscode/master

Prezentacje
Presentation from 60. wroc.net meeting added
Fody title updated
BDD presentation added
Added Continous delivery
52nd meeting resources added
Fix links to videos on posts
Added info for Semantic web presentation
62nd meeting added
67th meeting added
63. meeting added
63. meeting updated
added source to gemfile
moved assets to proper location - folders with underscore at beggining are special and are not treated as content - see http://jekyllbootstrap.com/lessons/jekyll-introduction.html#toc_20
fixed path to static asset files
fixed link to BDD presentation
Layout updated
Custom background per meeting
Added missing background for 63. meeting
Fixing file name