install state machine and use it for post states
show only accepted posts
fix post states
add moderation action to activeadmin
fix Post strong parameters
fix posts styling
create categories views
pretty category url
bundle update
Revert "pretty category url"

This reverts commit 6a2e6b59e7bff255cd253dc8f048044cd3993f73.
pretty category url (working version)
install momentjs
extend helper
generate Post decorator
styling post view
extrude post view to partial
category show view
conver js to coffee
add cut tool button to redactor
translations for all categories