Development

### Added:
- Author Sections at bottom of posts
- Explore page template
- Constant Sidebar option for a flexible two-column design
- Option to use accent color for icons
### Improved:
- Comments form does not display "allowed tags" until clicked
- Sidebar scripts are not loaded unless the sidebar is enabled
- More faster
### Fixed: 
- Post navigation with a line break behaves correctly on hover
- If there is no reply link in comments, an empty div is not created