myapp.com is an actual domain that isn't related to Twilio.
example.com is a domain kept expressly for this purpose
link to the examples directory
make it more clear that sid & auth token must be modified.
move rest api details to top
making README.md universally accessible and killing README.rdoc
slight readme changes
updating builder link reference
removed straggling reference to andrewmbenton/twilio-ruby from README
new twilio-ruby finally :)