Fixing Famo.us's docs links and examples

Some rough edges:
* The flipper examples from current famous-0.3.0-rc does not work, there's a require.js issue. A bit late for fixing it on famo.us (already done 2 PRs on their examples today :sweat:).
* The links to the examples carries a references to the famo.us's release number. Thus, it has to be updated each time a new release appears. This should be better factorized :flushed:.