Squashed 'yoink/' changes from 566afed..822124d

822124d renamed observableId to IObservable
29a9d71 Migrated examples to Go AppEngine
c95f63e improved error messages
6546204 Update README.md
3619732 Add syntax highlighting to readme

git-subtree-dir: yoink
git-subtree-split: 822124d8e15b97a1e047c8e9df919976792f4b6f
Merge commit 'f3433fcb6a727caf3fdd956f53ff80496c06f4dd'
renamed obserableId to IObservable