- add formatters to remove milliseconds on dates
- add column labels to be used with filters
- add new filters for version and build views

- remove edit function
- fix file removal with row deletion

- add service view to admin interface
- add service check on package upload

- add a functions to get md5 hash in build model and spk
- use function in build model when uploading build
- use function in spk when signing/unsigning spk

- fix alembic setup environment
- update model to match database
- fix default sort for screenshot

- identify the major DSM version based on a closest match to the build
- filter package versions based on match to major DSM version
- include earlier "noarch" package version when major DSM  version < 6

- rewrite catalog download links using md5 hashes for id
- allow downloads of noarch builds to pass arch checks
- rewrite nas tests for new url structure

This reverts commit bea7718.

- Add type column to Firmware table
- Increase length of version column
- Filter by type for closest firmware when getting catalog
- Update populate_db with firmware type

'NoneType' object has no attribute 'strftime'

BaseModelView.index_view() got an unexpected keyword argument 'cls'

Flask-SQLAlchemy uses a custom formatter to handle date formatting when displaying data in the templates. It dosn't support overriding the value.