Only activate `internal.tools-jar` profile for Java 8 and module != `manifold-all`  - Unfortnately, a bug in Maven 3.2.1 and earlier does not allow a profile to have multiple activations  - Adding maven-enforcer-plugin to build to guarantee that the version of maven used is >= 3.2.2  - Build will fail with this message if using 3.2.1: ``` [WARNING] Rule 0: org.apache.maven.plugins.enforcer.RequireMavenVersion failed with message: Detected Maven Version: 3.2.1 is not in the allowed range [3.2.2,). ```
Only activate `internal.tools-jar` profile for Java 8 and module != `manifold-all`
 - Unfortnately, a bug in Maven 3.2.1 and earlier does not allow a profile to have multiple activations
 - Adding maven-enforcer-plugin to build to guarantee that the version of maven used is >= 3.2.2
 - Build will fail with this message if using 3.2.1:
```
[WARNING] Rule 0: org.apache.maven.plugins.enforcer.RequireMavenVersion failed with message:
Detected Maven Version: 3.2.1 is not in the allowed range [3.2.2,).
```

manifold-systems/manifold,manifold-systems/manifold,manifold-systems/manifold