Inherited behavior methods used in template are being reported as undefined

[bendavis78]

When using an inherited behavior method an element's template, it gets reported as not a function.

[scasagrande-d2l]

+1

[GioDavid]

I have the same issue when I have properties in an inherited behavior.

[daniele-orlando]

Same here, even correctly imported and annotated behaviours (/** @polymerBehavior My.MyBehavior */).

[mgibas]

Related #83