Added preprocessor check for libccgnu2 when using progress bar
Added preprocessor check for libccgnu2 when using progress bar

Use
pkg_search_module(CCGNU2 libccgnu2)
include_directories(${CCGNU2_INCLUDE_DIRS})
link_directories(${CCGNU2_LIBRARY_DIRS})
in CMakeLists.txt to find libccgnu2 and set the rights paths and
defines.

renemilk/DUNE-Stuff,renemilk/DUNE-Stuff,renemilk/DUNE-Stuff