Better defaults for route coloring.

* HTTP methods are colored like scala keywords (dark red, bold)
* controller methods are italic
* controller classes are blue

Also made the editor react to changes in the HTTP method coloring.

Fixed #78.
Add a cute icon for URL completions.
Add auto-activation for URL completion after typing a '/'.
Merge pull request #106 from dragos/issue/better-defaults-78

Better defaults for route files.
Merge pull request #108 from dragos/improvement/auto-activation-url

Add auto-activation for URL completion after typing a '/'.