Take advantages of C++11 and drop support for non C++0X/C++11 applications

[abumq]

One of the top priority of library is to be fast, efficient and most of all reliability. In order to do that we need to drop support for non C++11 applications and make use of C++11 standard templates.

Version 9.0 will be one of the fastest logging library for C++11, we are going to have many features including;

• Optional asyncrounous logging
• Use move semantics for performance
• Reliable configuration files
• Unhandled exception handling
• Optional stack trace

By doing so we are going to drop need of our:

• Mutex
• ScopedLock
• ScopedPointer<T>
• ScopedPointer<T>::ReferenceCounter
• ConfigurationMap<T>
  And use following instead:
• std::mutex
• std::lock_guard<T>
• std::unique_ptr<T>
• std::shared_ptr<T>
• std::unordered_map<unsigned int, T>

Take advantage of std::async for asyncrounous logging

[easylogging]

Closing this as this has been done (not released yet!)