Merge pull request #213 from bolotyuh/master

hot fix
Merge pull request #214 from bolotyuh/master

fixed load double content
fix session stor path
fixed bag check signature
remove check payment
deploy to new server
Merge pull request #216 from bolotyuh/fixed_bag_check_signature

Fixed bag check signature
Add csrf to participant-add and remove url param for security
Merge remote-tracking branch 'remotes/stfalcon/master'

* remotes/stfalcon/master:
  deploy to new server
  fix session stor path