New macroes:SETTING_FILE_GET_VARIABLES_PATTERN,PACK_SOURCE_FILES
    
    - New macro: SETTING_FILE_GET_VARIABLES_PATTERN
    - New macro: PACK_SOURCE_FILES
    - Fixed: Variable lost in SETTING_FILE_GET_ALL_VARIABLES and
      SETTING_FILE_GET_VARABLE.
    - Fixed: Variable values won't apply in SETTING_FILE_GET_ALL_VARIABLES
    - UseUninstall finds cmake_uninstall.in in additional paths:
      /usr/share/cmake/Modules and /usr/share/cmake/Modules
    - Minor improvements in CMakeLists.txt and project.spec.in templates.