correct install path for libraries -> lib instead of bin

[gabyx]

Self explaining I think, or should the libraries really go into the bin folder?

[acki-m]

Yes, it has to be.
Otherwise the applications cannot be executed (like the examples or bench tools, or even unit_tests)
Because of missing libraries.

[gabyx]

dont understand, because on linux and macos mostly we put the library in /lib
is that thing here not putting them in /bin?

install(TARGETS rttr_core EXPORT rttr_targets
                RUNTIME DESTINATION ${RTTR_BIN_INSTALL_DIR}
                LIBRARY DESTINATION ${RTTR_BIN_INSTALL_DIR}
                ARCHIVE DESTINATION ${RTTR_LIB_INSTALL_DIR})

I think one should rather, edit the "rpath" in the executable instead of just copying the stuff next to the executable, I think cmake handles that (its kind of complicated, and I dont understand yet everything) when installing . Mostly the user anyway does not want to install the tests/benchmarks (maybe the examples)?
https://cmake.org/Wiki/CMake_RPATH_handling

[gabyx]

I think its very related to #101 ...

[coveralls]

Coverage remained the same at 91.566% when pulling adf2463 on gabyx:correct-cmake-install into 47d576c on rttrorg:master.

[gabyx]

same as #103