- Use correct name for spec and changes files

- Update to version 1.1.1+git.20180308:
* Add testing of CMake exported targets
* [readme] Update AppVeyor badge
* Minor AppVeyor configuration cleanup
* Fix bug in dlerror second consecutive call
* [appveyor] Test the library using Visual Studio 15
* [README] Fix AppVeyor badge
* Document how to use the library when using CMake
* Mention the possibility of defining CMAKE_DL_LIBS
* #include

- initial package