Fix clang warnings.
OSX installer updates.
Configure rationalization and documentation.
Fix test cases when under testnet compile.
Change visual studio build unit test output formatting.
Fix 'missing' missing configure warning (ordering).
Rationalize variable references.
Add conditionals feedback.
Fix rt_LIBS reference and use gmp_LIBS in pc.
Merge pull request #95 from evoskuil/develop

Refactor and doc configure, fix testnet unit tests, fix osx build.