Merge pull request #3 from minioak/master

AuthoriseTokenRequest not supported
Rename ActionPaymentAware to PaymentAwareAction
rename BaseActionApiAware to BaseApiAwareAction.
use HttpException
prepare release 0.4
switch master to 0.5
add return\cancle url to doctrine schema
[doctrine] escape reserver words manually.
Merge branch '0.4'
add cancel action constant.
stable 0.5
master now 0.6-x