Fixed version fo AccessControl

In a Plone 4.2.5 new decorators for security methods doesn't work with AccessControl<3.0
updated CHANGES
Fix catalog definition in comment_redirect_to_conversation after PloneboardConversation refactoring
Fixed version fo AccessControl

In a Plone 4.2.5 new decorators for security methods doesn't work with AccessControl<3.0
updated CHANGES
Fix catalog definition in comment_redirect_to_conversation after PloneboardConversation refactoring
CHANGES.rst
Merge pull request #40 from cekk/fix_accesscontrol

Fixed version fo AccessControl