remove remaining reference to sqlalcheymy
update DEFAULT_TASK_OKAY_RESULTS in constants.py
trim trailing whitespace
fiddle with CHANGELOG.md title
initialize changed once when preparing task results
Update to new usage of DEFAULT_VERBOSE across ansible-report

Instead of a boolean, it is an integer.  This allows for increased
verbosity in logging.
initialize ansiblereport logging in callback plugin
Updates to utils.py

Bring inline with DEFAULT_VERBOSE usage elsewhere for logging purposes.
Divert log to ~/.ansiblereport.log instead of stdout.  This needs to be
configurable.
Remove StreamHandler from peewee logger; just use FileHandler.
Add semaphore class Lock to support inter-process locking.
Updates to manager.py

Use utils Lock semaphore in decorator when using sqlite
Simplify execute() and save()
Add some logging to get_or_create() and allow it to call save() on model
directly.
update copyright
make sure logstalgia plugin handles verbose kwarg correctly
drop old and deprecated run() from manager.py
set exec on managedb.py
Update packaging to include migrations and other new files
Remove alembic and sqlalchemy references
update Requires in rpm spec
update createdb.py for recent db orm changes
add license header to managedb.py
make sure createdb.py is also packaged and installed
set exec on createdb.py