Add 'install' cmake target.

Signed-off-by: Matthew Emmett <memmett@gmail.com>
Remove options.hpp (my mistake).

Signed-off-by: Matthew Emmett <memmett@gmail.com>
cmake: tweaking install target
Merge pull request #7 from torbjoernk/feature/add-install-target

cmake: tweaking install target
Merge branch 'feature/add-install-target' into development

* feature/add-install-target:
  cmake: tweaking install target
  Remove options.hpp (my mistake).
  Add 'install' cmake target.

Signed-off-by: Torbjörn Klatt <t.klatt@fz-juelich.de>

Conflicts:
	CMakeLists.txt