Source code repository structure of PGE Project

Structure of folder of PGE Project repository
 * _common - a common code, used by multiple components
 * ConfigPackManager - common code to read configuration package INI properties of elements
 * data_functions - SMBX64 validation functions
 * DirManager - a directory manager which designed as alternative to QDir in STL programs
 * FileMapper - a cross-platform class which provides support for file memory mapping interface
 * fmt - a flexible library to format strings, used by PGE Engine
 * IniProcessor - parser of INI files which designed as alternative to QSettings in STL programs
 * PGE_File_Formats - < Submodule> A library that provides ability to read and write level and world map files of various formats
 * res_generator - a small middle-ware utility that builds the resources header for PGE Engine
 * tclap - a flexible library which provides flexible command line arguments parsing, used by PGE Engine, PNG2GIFs, GIFs2PNG and LazyFixTools
 * travis-ci - a set of bash scripts which are designed for building the PGE Project on various CI servers
 * Utf8Main - a class which will guarantee that main(argc, argv) will always receive arguments in UTF-8 with no matter to operating system
 * Utils - a set of common utility classes
 * _Libs - dependent libraries to PGE Project
 * _builds - the cache of pre-built libraries for various operating systems
 * _sources - the folder which contains autotools-buildable libraries packed into tarballs and the set of bash scripts to build them
 * AudioCodecs - < Submodule> a set of audio coding and decoding libraries are required for SDL Mixer X library
 * FreeImage - < Submodule> a library which provides reading and writing of images in various formats, used by almost every component except of PGE Manager and PGE Maintainer
 * luabind - a flexible and powerful library which providing the binding API for lua in C++11, used by PGE Engine
 * oolua - another lua binding library, currently is not used, based on Lua 5.3
 * QtPropertyBrowser - a library that provides flexible property editing widget, used by PGE Editor
 * SDL_Mixer_X - < Submodule> SDL Mixer X - a flexible and powerful audio mixing library, used by PGE Editor, PGE Engine, and PGE Music Player
 * sqlite3 - < Submodule> A library which provides SQLite database system, used by PGE Engine
 * _Misc - Scripts, resources and experimental projects are related to PGE Project
 * luadoc - drafts for PGE Engine lua api documentation
 * Content - a set of resource are placing together with the executables into binary folder (documentations, examples, readmes, editor themes, etc.)
 * Documents - various specifications, documentation, sketches, storing and using by developers
 * Editor - the PGE Editor application
 * Engine - the PGE Engine application
 * GIFs2PNG - a masked GIFs to PNG conversion utility
 * PNG2GIFs - a PNG to masked GIFs conversion utiltiy
 * LazyFixTool - an utility which automatically fixes a bad-drawn masked GIFs graphics
 * Maintainer - a GUI utility that provides tool set to maintain graphics, musics, levels, and episodes
 * Manager - a WIP manager designed to provide easier way to update PGE and download & update a public configuration packages
 * MusicPlayer - an SDL Mixer X based music player with Qt frontend designed for a music testing before including it into the game
 * PlayableCalibrator - an utility to create the playable character configuration that includes offsets of frames and animation sets
 * ServerLib - a WIP networking server prepared for implementation of cooperative editing and netplay support