 added environment variables CFLAGS, C_INCLUDE_PATH, LIBRARY_PATH for compilation of R packages
 added environment variables CFLAGS, C_INCLUDE_PATH, LIBRARY_PATH for compilation of R packages

AntonioJBT/CGATPipeline_core,AntonioJBT/CGATPipeline_core,CGATOxford/CGATPipelines,AntonioJBT/CGATPipeline_core,CGATOxford/CGATPipelines,CGATOxford/CGATPipelines,CGATOxford/CGATPipelines,AntonioJBT/CGATPipeline_core,CGATOxford/CGATPipelines