Update notes for submitted changes

* config: get_meta_section() misunderstands the beginning of metasection
Update notes for submitted changes

* Fix bad copy and paste in lib/swift
Update notes for submitted changes

* Explicily enable the stores used by devstack
Update notes for submitted changes

* Fix the option of a2ensite command
Update notes for submitted changes

* Use final release of Fedora 20 for heat test image