activity: object/target id is set by default to _fk_(object|target)_id by sqlalchemy. Removed after_flush listener: with Trrue relations all ids are now set by sqlalchemy.
added note to mark deprecated state of macros.html
new location for m_table. By defautl it adds a responsive div, can be skipped by passing responsive=False

see http://getbootstrap.com/css/#tables-responsive