introducing open_library_settings file
moving files for common library to common directory
putils: using OpenLibrary's namespace
cmake: moving creation of 'common' library to 'common' directory
cmake: bumping version of OpenLibrary to 2.0. Too many changes occured ;)
updating CHANGELOG
changelog update
common: open_library_settings: changing OPENLIBRARY_NAMESPACE macro beahaviour and name
doxygen: setting paths correctly
removing open_library_settings
converting OpenLibrary (or any other namespace) to namespace ol
QtExt: building as shared library
utils: building as shared library
utils: removing anonymous_ptr
build fix
utils: data_ptr documentation