[cmake] cleaned up CMakeLists.txt

tested example with SGRId, ALUGRID_SIMPLEX and UGGRID,
some tests and some ehadercheks
hope I did not break anything else...

CMakeLists.txt

-PROJECT(dune-stuff)
+project( dune-stuff )
 
-#set minimum cmake version
-cmake_minimum_required(VERSION 2.6)
+# cmake specific
+cmake_minimum_required( VERSION 2.8 )
+set( CMAKE_ALLOW_LOOSE_LOOP_CONSTRUCTS true )
+set( CMAKE_FIND_LIBRARY_SUFFIXES ".so" ".lib" ".la" ".a")
+set( CMAKE_COLOR_MAKEFILE ON)
+set( CMAKE_VERBOSE_MAKEFILE ON )
 
-set(CMAKE_MODULE_PATH ${CMAKE_CURRENT_SOURCE_DIR}/cmake )
-
-SET(ENV{PATH} "${CMAKE_CURRENT_SOURCE_DIR}/../local/bin:$ENV{PATH}" )
-SET(ENV{LD_LIBRARY_PATH} "${CMAKE_CURRENT_SOURCE_DIR}/../local/lib:$ENV{LD_LIBRARY_PATH}" )
-SET(ENV{PKG_CONFIG_PATH} "${CMAKE_CURRENT_SOURCE_DIR}/../local/lib/pkgconfig:$ENV{PKG_CONFIG_PATH}" )
+# local environment
+set( ENV{PATH} "${CMAKE_CURRENT_SOURCE_DIR}/../local/bin:$ENV{PATH}" )
+set( ENV{LD_LIBRARY_PATH} "${CMAKE_CURRENT_SOURCE_DIR}/../local/lib:$ENV{LD_LIBRARY_PATH}" )
+set( ENV{PKG_CONFIG_PATH} "${CMAKE_CURRENT_SOURCE_DIR}/../local/lib/pkgconfig:$ENV{PKG_CONFIG_PATH}" )
 
+# dune-stuff cmake includes
+set(CMAKE_MODULE_PATH ${CMAKE_CURRENT_SOURCE_DIR}/cmake )
 include(DuneUtils)
 include(GridUtils)
 include(UseDoxygen)
 
-#needs to come first to include correct config.h
-INCLUDE_DIR( ${dune-stuff_BINARY_DIR} ${dune-stuff_SOURCE_DIR} )
+# needs to come first to include correct config.h
+include_dir( ${dune-stuff_BINARY_DIR} ${dune-stuff_SOURCE_DIR} )
 
-SET (CMAKE_VERBOSE_MAKEFILE "on" )
 #----------------------------------------------------------------------------------------------------
 # General Settings
 #----------------------------------------------------------------------------------------------------
-SET( CMAKE_ALLOW_LOOSE_LOOP_CONSTRUCTS true )
-SET( CMAKE_FIND_LIBRARY_SUFFIXES ".so" ".lib" ".la" ".a")
-SET( CMAKE_COLOR_MAKEFILE ON)
-
-EXECUTE_PROCESS(
+execute_process(
 	COMMAND ${CMAKE_SOURCE_DIR}/getRevision.sh
 	OUTPUT_VARIABLE COMMIT
 	ERROR_VARIABLE shell_error
 	OUTPUT_STRIP_TRAILING_WHITESPACE
 )
 
-if (NOT CMAKE_BUILD_TYPE)
-  message(STATUS "No build type selected, setting default build type 'Debug'")
-  set(CMAKE_BUILD_TYPE "Debug")
-endif()
+if( NOT CMAKE_BUILD_TYPE )
+  message( STATUS "No build type selected, setting default build type 'Debug'" )
+  set( CMAKE_BUILD_TYPE "Debug" )
+endif( NOT CMAKE_BUILD_TYPE )
 
 #----------------------------------------------------------------------------------------------------
 # Options, that can be changed be the User in order to customise dune-stokes
 #----------------------------------------------------------------------------------------------------
-set(ENABLE_MPI "0" CACHE STRING "set to 1 to enable mpi")
-
-SET( BLAS_LIB
-	"blas" CACHE STRING
-	"" )
-
-CONFIGURE_FILE( ${CMAKE_CURRENT_SOURCE_DIR}/cmake/cmake_config.h.in ${CMAKE_CURRENT_BINARY_DIR}/cmake_config.h )
-ADD_DEFINITIONS( ${CUSTOM_FLAGS} )
-
-ADD_DUNE_MODULES( istl grid common fem geometry localfunctions)
-
-LINK_DIRECTORIES( "/usr/lib" ${CCGNU_LIBRARY_DIRS} )
+set( ENABLE_MPI
+     "0" CACHE STRING
+     "set to 1 to enable mpi")
+
+set( BLAS_LIB
+	   "blas" CACHE STRING
+	   "BLAS_LIB" )
+
+configure_file( ${CMAKE_CURRENT_SOURCE_DIR}/cmake/cmake_config.h.in ${CMAKE_CURRENT_BINARY_DIR}/cmake_config.h )
+
+add_dune_modules(
+  istl
+  grid
+  common
+  fem
+  geometry
+  localfunctions
+)
 
-FILE( GLOB_RECURSE stuff "${CMAKE_CURRENT_SOURCE_DIR}/dune/*.hh" )
+link_directories( "/usr/lib" ${CCGNU_LIBRARY_DIRS} )
 
-set( COMMON_LIBS ${DUNE_LIBS} ${BLAS_LIB} "GL" ${PARALIBS} ${CCGNU_LIBRARIES}
-									"boost_system" "boost_filesystem" "boost_timer" "boost_thread"
-									${GRIDLIBS})
+# header
+file( GLOB_RECURSE stuff "${CMAKE_CURRENT_SOURCE_DIR}/dune/*.hh" )
 set( COMMON_HEADER ${stuff} ${DUNE_HEADERS} )
 set_source_files_properties( ${COMMON_HEADER} PROPERTIES HEADER_FILE_ONLY 1 )
 
+# libs
+set( COMMON_LIBS
+     ${DUNE_LIBS}
+     ${BLAS_LIB}
+     "GL"
+     ${PARALIBS}
+     ${CCGNU_LIBRARIES}
+     "boost_system" "boost_filesystem" "boost_timer" "boost_thread"
+     ${GRIDLIBS}
+)
+
 add_subdirectory(dune)
 add_subdirectory(examples)