Applied new media queries
All kinds of CSS improvements (including better media queries)
Merge branch 'master' into features/responsive_layout

# By Harold Angenent
# Via Harold Angenent
* master:
  Fixes #76
Improved .LESS files
Changed wrong class single.php
Merge branch 'master' into features/responsive_layout

* master:
  Added widget "Custom post type posts"
Merge commit '7c8d0143ad24a1cd6c053333ba932007ac5f7276' into features/responsive_layout

# By Harold Angenent
# Via Harold Angenent
* commit '7c8d0143ad24a1cd6c053333ba932007ac5f7276':
  Update functions were not fully necessary. Removed some other stuff as well. Admin’s arent going to hack their own sites right.
  Made the post type widgets up to coding standards and improved some stuff
Improved responsive layout
Improved responsive layout