Improve the backup of the EOS configuration on configuration migration
from another version. Backup files now get a backup id based on date
and time.
Add the configuration backup listing and the revert to the backup to
the EOS api.
Add revert to backup to the EOSdash admin tab.
Improve documentation about install, update and revert of EOS versions.
Add EOS execution profiling to make commands and to test description in
the development guideline.
Signed-off-by: Bobby Noelte <b0661n0e17e@gmail.com>
