Fix hundreds of std=c++11 compiler warningsAllow to change compiler settings in cmake/DD4hep.cmake valid for all packages.Watch out for CMAKE_CXX_FLAGS in cmake/DD4hep.cmake.Move to use Boost spirit::phoenix version 3. ---- Prepare for ROOT 6

 - fixed bug in MaterialManager (protect against empty material list)
 - allow missing detectors in createGearForILD

in the course make it a real class.

+ changes to let everything still compile/work

Add LheD_tracker simulation to CTests, add batch parameter to LheD_tracker.py, fix a typo in the script and Readme (File name capitalization)

Loop over the xml files and just run converter with different types, based on the tests from examples/SimpleDetector

   updated release.notes and ReadMe.txt for 
           release v00-11   
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