Merge remote branch 'bdefreese/barry_update25' into merge

* bdefreese/barry_update25:
  Update update_db to use schema 26
  Fix indentation on commit to be outside for loop but inside try. Add update to db_revision to set it to 26.
  Add dakdb/update26.py to add created and modified fields on all tables and add a trigger to update the modified field on update

Signed-off-by: Joerg Jaspert <joerg@debian.org>