documented parameterised events
fixed typo
implemented inline before/after callbacks for events
invoke callbacks in the context of record
documented parameterised events
fixed typo
invoke callbacks in the context of record
use lambda syntax for scope
Merge pull request #57 from Systho/master

Use lambda syntax for scope
Append callbacks instead of overriding them.
Improved tests coverage
fixed and improved spec coverage for befire/after callbacks
fixed after callback spec
fixed event specs
cleaning up internal firing of event callbacks (make things clearer)
Breaking changes: success/error callbacks called in context of record, not with record as argument.
Refactored callbacks in event.rb, added support for inline definition of success/error callbacks.
fixed errors catching/raising
Revert "cleaning up internal firing of event callbacks (make things clearer)"

This reverts commit 38ce01e02f2d986f97d5a2dc80ddf4ef26f773ad.
document error callback behaviour
improved descrtiption
Merge branch 'stiff-master' into master_merge_stiff

Conflicts:
	README.md
	lib/aasm/supporting_classes/event.rb