Setup Django Suit and began integrating with the layout.

- Got rid of custom admin styles.
- Installed Django Suit.
- Started to customize Django Suit templates to match Mercury2 layout.
Updated the change-form templates.

- Updated the change-form templates to match Mercury2 layout.
- Updated the change user password admin panel template.
Fixed the object history styles.

- Fixed a routing error in the object history template.
- Updated the table styles.
Finished initial Django Suit integration.

- Finished integrating Django Suit.
- Added the Django Debug Toolbar.
- Added styles for admin panel sub-menu items.
Added Event and State models and worked on CSS.

- Added models for Events and State updates.
- Customized flash message styles and added "close" button.
- Added default flash message display to standard.html.
Merge branch 'admin_panel' into develop