* Replaced push_back calls with emplace_back where applicable.
* Replaced size() == 0 and size() != 0 with empty() and !empty().
* Replaced C style loops for range for loops where applicable.
* Fixed mismatching arg names between function declarations and definitions.
* Replaced NULL and 0 (in the context of pointers) with nullptr.
* Remove unnecessary calls to string::c_str() where applicable.
* Replaced deprecated C headers with proper C++ headers.
* Removed unnecessary null pointer checks when deleting pointers
(deleting a null pointer has no effect).
* Fixed a potential memory leak in apngloader.cpp file.
* Replaced unsafe strcpy with strncpy in the demangle_name function.
Make otclient's framework flexible enough to run console apps like
servers, so this mean is possible to build otclient versions without
graphical interface and use it's framework to code servers
* Split game module into game and game_interface
* Move core_lib to corelib
* Move miniwindow to corelib
* Introduce init.lua script for initializing the client, giving much more flexibility
* OTClient is no longer Application derived and is much simpler
* save log messages to otclient.txt
* fixes in FrameBuffer and HardwareBuffer to work with OpenGLES
* possibility to get compilation information from lua (compiler version, build date, build revision, build type)
* make crash handler more informatave
* handle assert crash signals (SIGABRT)
* show otclient version in background
* disable about module (don't really need it)
* new function for formating strings like sprintf, Fw::formatString
* new nice background (taken from RPG maker XV)
* update contact information in README
* fix text rendering issues with opacity
* rework client modules
* hide main window when loading
* remake top menu functions
* rework modules autoload
* improve path resolving for otml and lua
* move core_widgets to core_lib
* fix tooltip issues
* split some styles
* add bit32 lua library
* fix assert issues
* fix compilation on linux 32 systems
* rework gcc compile options
* renable and fix some warnings
* remove unused constants
* speedup sprite cache
* move UIGame to lua (not funcional yet)
* fix a lot of issues in x11 window
* fix crash handler
* add some warnings do uiwidget
and much more...
