Improve unittest error reporting for uniform()
Make individual unitttest targets both build and run
Add explanatory comment about NormalDistribution.save test
Ensure unittests can build with D 2.065 frontend
Mark 1.0.0 release candidate 1

To comply with code.dlang.org requirements, the dub package name has
been updated to simply "hap".  This should also future-proof the project
name in case hap.random is supplemented with additional packages.