weeknum return weeknum by date
Adde meta info to html
Fixed meta-imge filename
validating html fixes
Yandex verification meta-tag
Added og:image meta-tag
Added DB support
Edited docstrings
Fixed routing
Some fixes in CSS
Added sticky footer
Fixes in error template
Updated twitter bootstrap v2.2.2
Replaced inline text-align to pagination-centered class
Inserted classes text-warning and etc.
Fixes in css
Addded default group storing and icons