Updating gems and bug fixes
Gems update and app fixes
Bug fixes

- Showing confirmations for destroy links again.
- Using the show, edit and destroy images instead of text links.
- Aligning the trophy/pig images properly.
- Fixing JS behavior when creating/deleting comments.
- Adding padding for witnesses links.
Adding functionality to import contacts from CSV file
Fxing migration order
Adding team creation capability if 'team' is provided in the CSV file
Adding notification settings for a player
Updating rules.png image