Installation instructions

[dylanede]

It appears at the moment that the intended way to use V-EZ as a dependency for a CMake project is to have it as a subdirectory and use add_subdirectory in the CMakeLists.txt. It would be nice if this was documented somewhere.

For use with non-CMake projects, it would perhaps be better if an install step was included that put headers and binaries in the appropriate places. Then for ease of use with CMake projects using find_package, an appropriate "FindV-EZ.cmake" file could be placed in a directory in CMake's global module search path.