Add ability to modify published envelopes

Signed-off-by: Jim Klo <jim.klo@sri.com>
ignore some stuff.

Signed-off-by: Jim Klo <jim.klo@sri.com>
decouple most of the views out of the index page and add git versioning info into the footer.

Signed-off-by: Jim Klo <jim.klo@sri.com>