minor css changes. Show a message if there is no articles
added blog categories and tag cloud collection
added bit more comments
added category and tag filters
added tag/category based routing
rafactoring tag and category based routing
updated layout with category listing
updated about
added document for new features
update line-hieght for list style
Refactoring tag and category routing
Name of route made available in layout
upgraded to slim 2
git delete removed files
removed misplaced file
minor code cleaning
added framework version upgrade notes
fixed newline char issue in windows
fixed issue with multiple articles per day
resolved cross platform line ending issue. fixes #5
merged development to master