Fix2 UnitTest.csproj ref+remove VS2010 test files

Changes:
1. Fixed ref in UnitTest.csproj
2. Removed test files no longer used at VS2012
3. Add "All" version of "SIDCFirstTen" (just a sample with this PR, more
on this later)
Merge pull request #43 from csmoore/master

Merge '#43' - Have installed VS2012 Premium, so we should all be using the same development environment now.