support newer intel >=12 versions. add autodetection of installed versions.
correct version with autodetection of installed versions.
fixes bugs of previous version. Skips and doesn't error out on using intel : : : <compatibility>vc12 if one of the detected versions doesn't support requested msvc version.
Merge pull request #8 from bernhard-b/develop

support newer intel >=12 versions. add auto detection

Seemed like working builds was the last hurdle, thanks!