View Conversion: Mod Part 1
- Converted ModController methods
- Updated ModVersion AJAX controller methods
- Updated Mod Views
- Fixed Mod model relationship with Modversions
- Removed old post routes
- Updated mod.view javascript Version methods
  - Better error handling
  - Better alerts for user-notification
Fix Modversion relationship across all controllers
View Conversion: Mods Part 2
- Added logging and 504s for exceptions in ModController
- Better MD5 logging in the ModController and UrlUtils lib
- Fixed MD5 error and success message pop-ups
- Default Mod list will sort by name instead of id.
- Optimized UrlUtils library