Improve the CMS example. Add word for the raw generator status of generator particles to Geant4Particle

Clearer status message in moveToEvent functions, change verbosity for particle printout in HepMC, add comment

Use moveToEvent function which is called in InputAction
use m_currEvent part of base EventReader class instead of redefining it
Increment m_currEvent in local function to be next to call to reader->readEvent instead of calling in the function calling readParticleCollection

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

No code changes. Common code formatting removing tabs, replacing with spaces (tab-size=-2) + emacs reformatting.