Check description

- Removing S.IO Redis adapter on standalone.
- Updated Readme.md to note above change.
- Added some placeholder text for categories with no forums (on both
index and category routes). Also added placeholder text for forums with
no topics.
- Finished topic and post model (may add some more additions later).
- Added post model.
- Added UI elements for topic view/reply counts.
- Reverted some routing changes.
- Don't save password into session (no reason to, so why do it).
- Add remember me functionality. Closes #6
- Separated routes into separate files. Closes #9