more git enhancements

fabfile deploys and sends html snapshot to admins
hq system info page shows info now (renders slow though)
updated view for deploy info via settings.SERVER_ENVIRONMENT identifier.
adding mail_admins flag to record deploy successful call
random pep8 in app_manager
refactor suite_xml to use generic OrderedXmlObject

gets rid of a bunch of custom __init__ functions that were all there to insure correct ordering of attributes and nodes
make test output a litte more intuitive
Merge pull request #758 from dimagi/pep8-danny

random pep8 in app_manager
Merge pull request #755 from dimagi/git_enhancements

Git enhancements
Merge pull request #756 from dimagi/aesthetic-test-fix

Aesthetic test fix
Merge pull request #757 from dimagi/ordered-xml-object

refactor suite_xml to use generic OrderedXmlObject
update submodule refs
Revert "update submodule refs"

This reverts commit 9a075628db485006547205fd41bbcd5fb602b861.
update submodule refs
update dimaig-utils ref
update dimagi-utils ref
Merge branch 'master' into authcontext