Doxygen config added, minor changes added

added doxygen configuration file
added sirectory for generated documentation
license files moved

modified:   .gitignore
modified:   usr/local/CMakeLists.txt
new file:   usr/local/documentation/CMakeLists.txt
new file:   usr/share/Doxyfile
renamed:    usr/local/code-license-template-bash-cmake.txt -> usr/share/code-license-template-bash-cmake.txt
renamed:    usr/local/code-license-template-cpp.txt -> usr/share/code-license-template-cpp.txt