allow dot in a program path
since cmake 3.0 generators for Visual Studio 10 (2010) and later were renamed to include the product year http://www.cmake.org/cmake/help/v3.0/release/3.0.0.html
fix for Visual Studio 2013 Express https://github.com/HarpyWar/pvpgn-magic-builder/issues/2
Minor English changes https://github.com/HarpyWar/pvpgn-magic-builder/pull/3