Fix to copy of README.md for python publish.

CMakeLists.txt

     install ( FILES python/setup.py DESTINATION ${CMAKE_INSTALL_PREFIX}/pyLemma/ ) 
     install ( FILES python/long.md DESTINATION ${CMAKE_INSTALL_PREFIX}/pyLemma/ ) 
     install ( FILES python/publish.sh DESTINATION ${CMAKE_INSTALL_PREFIX}/pyLemma/ ) 
+    install ( FILES README.md DESTINATION ${CMAKE_INSTALL_PREFIX}/pyLemma/ ) 
     install ( DIRECTORY python/pyLemma DESTINATION ${CMAKE_INSTALL_PREFIX}/pyLemma/ ) 
 endif()
 

python/setup.py

         if self.distribution.has_ext_modules():
             self.install_lib = self.install_platlib
 
-with open("../README.md", "r") as fh:
+with open("README.md", "r") as fh:
     long_description = fh.read()
 
 setup(