Invalid paths in umbrella warnings

[lukaszsamson]

When run in the root of umbrella wrong paths are returned

Expected:

apps/my_app/lib/my_app/my_module.ex: The variable my_var on line 50 is expected to have type pos_integer() but it has type integer()

Is:

apps/my_app/apps/my_app/lib/my_app/my_module.ex: The variable my_var on line 50 is expected to have type pos_integer() but it has type integer()

[erszcz]

I think that's solved in #124. We just talked with @luk-pau-es and he's kind enough to craft a more specific PR to handle just this.

[erszcz]

Fixed with #146.