Add smalltalk to ready() call in .html files
Remove twitterwall from index.html and remove twitterwall example now that twitter API has changed.
Adjust examples .html files to locate amber.js at support/amber.js
Fix processing example to make clock hands show correct time.
Comment out googlecharts example on index.html; Add require system to load amber for processing, presentation and trysmalltalk (Prof Stef) examples.
Merge commit '107e7f0' into update-examples