Expand arguments to React DOM fns in interpreter.

The sablono compiler correctly splices in arguments to React DOM fns, but
whenever >1 arguments were present, the interpreter was passing them as
an array rather than normal arguments. This triggered the React dynamic
children warning, even with static children, such as in the form [:div [:div]
[:div]].
Merge pull request #38 from jenanwise/fix-interpreter-react-fn-args

Expand arguments to React DOM fns in interpreter.