amber examples updated

Current amber in vendor/amber

All the web examples 
1. processing - working - added require;clock was updated to show correct time. Gruntfile retabbed
2. presentation - working - added require. Gruntfile retabbed
3. trysmalltalk  (ProfStef) - added require. Gruntfile retabbed
4. twitterwall - not working removed from index.html
5. googlecharts - not working removed from index.html - will not compile

nodejs examples not tested.