Adjust method resolution warning message

This PR is intended to improve the method resolution warning message from:

![image](https://cloud.githubusercontent.com/assets/2978182/4468315/fe0b21d2-48fb-11e4-960d-291dfe134b30.png)

to this:

![image](https://cloud.githubusercontent.com/assets/2978182/4468313/f681920c-48fb-11e4-9047-569fbb17d1e4.png)

It's by no means perfect, but IMHO is better than it previously was. It will require follow on PRs to adjust the text to "Point.ByCo..." rather than "ByCo..." and unification of all the other resolution errors to the same form.

[Please ignore the sharpness change, that isn't to do with this PR, it's only the text that has been changed]

@kronz @elayabharath for UI
@junmendoza for implementation

This is to address http://adsk-oss.myjetbrains.com/youtrack/issue/MAGN-2510