Modernize CaloReco

• remove obsolete SVN identifiers
• remove explicit destructors equivalent to implicitly generated ones
• do not explicitly invoke default constructors in constructor
• prefer assignment of vector of push_backs
• prefer STL algorithms over explicit loops
• replace obsolete std::auto_ptr with std::unique_ptr
• prefer auto
• consolidate applictions of calibrations into 'apply'
• prefer override over virtual
• prefer direct member initialization
• prefer struct over class with all public members
• remove deprecates std::unary_function
• add 'final' to internal classes