Merge pull request #12 from cnhemiya/master

添加 class DirTree
add Gui/GlowEffect class
Merge pull request #13 from XChinux/master

add Gui/GlowEffect class
modified thanks.txt
Merge pull request #14 from XChinux/master

modified thanks.txt
append comment
Merge pull request #15 from jonixfu/master

Jonix pull request
add class Gui/LineEdit, a extended QLineEdit widget
Merge pull request #16 from XChinux/master

add class Gui/LineEdit, a extended QLineEdit widget
fix src.pri's LIBS for mingw links error in FileUtil
Merge remote-tracking branch 'upstream/master'
Merge pull request #17 from XChinux/master

fix src.pri's LIBS for mingw links error in FileUtil
修改OS.cpp 29行defined