Solver manager

Because of #142 (closed) I can't write a proper markdown-based description thus I upload a screenshort ...

• remove former StateBlock notification list
• StateBlock::getState returns by copy
• remove StateBlock::getPtr

src/solver/solver_manager.cpp

@@ -11,7 +11,7 @@ SolverManager::SolverManager(const ProblemPtr& _wolf_problem) :
   //
 }
 
-inline void SolverManager::update()
+void SolverManager::update()
 {
   StateBlockList& states = wolf_problem_->getNotifiedStateBlockList();
 
@@ -85,7 +85,7 @@ inline void SolverManager::update()
          "wolf problem's state_blocks notification list not empty after update");
 }
 
-inline wolf::ProblemPtr SolverManager::getProblemPtr()
+wolf::ProblemPtr SolverManager::getProblemPtr()
 {
   return wolf_problem_;
 }