Module definition for discovery of ICU

git-svn-id: http://opensource.mlba-team.de/svn/common/CMake@577 9e4c620c-c391-4b63-a7fb-4924991ea895
Modules for finding gflags and google-glog

git-svn-id: http://opensource.mlba-team.de/svn/common/CMake@578 9e4c620c-c391-4b63-a7fb-4924991ea895
Replace "-" with "_" in Variables generated automatically

git-svn-id: http://opensource.mlba-team.de/svn/common/CMake@579 9e4c620c-c391-4b63-a7fb-4924991ea895