Update Router syntax for 0.7.0 upgrade.
Clean up component require statements.
Clean up difficult syntax.

* Move title helpers into separate file.
* Move path helper out of `lib`.
* Use destructuring assignment for clarity.
Refactor humanized time to not include state.
Fix title methods expecting data before it's loaded.
Clean up component lifecycle.
Fix issue where story view doesn't update estimated reading time.
Add updated at column.
Remove unused story list stylesheets.