Update npm version to 0.0.7
Convert ModuleTransformer to depend on runtime.js

This moves the runtime inliner code from ModuleTransformer to runtime.js.

Review URL: https://github.com/google/traceur-compiler/pull/495

Closes #495.
Convert SpreadTransformer to depend on runtime.js

This moves the runtime inliner code from SpreadTransformer to runtime.js.

Review URL: https://github.com/google/traceur-compiler/pull/496

Closes #496.
Convert SuperTransformer to depend on runtime.js

This moves the runtime inliner code from SuperTransformer to runtime.js.

Review URL: https://github.com/google/traceur-compiler/pull/497

Closes #497.