Create an install target that sets up USMLConfig.cmake
and the other files needed for users to successfully
execute a find_packages(USML). This includes a
USMLUse.cmake file that sets of Boost and NetCDF.

Create an uninstall target that removes the files
and directories created by the install process.

Add discussion of using the install target in the build process
in the install instructions.
Fix problems using USMLConfig.cmake under windows.
- Use Boost and NetCDF symbols instead of hardcoding paths.
- Install NetCDF-C++ headers files under Windows.
- Use the NETCDF_DIR environment variable if it exists in USMLUse.cmake.
Update install instructions.  Add debug suffix.
Resolve problem using quotes in library names.
Update install documentation.
Eliminate duplicate use of ${CMAKE_INSTALL_PREFIX} in Linux.
Correct problems with debug library by always finding
include and library directories.
Add conditions on Dynamic vs. Static to install documentation.
Merge branch 'cmake_config' of https://github.com/campreilly/UnderSeaModelingLibrary into cmake_config

Conflicts:
	usml_install.html