Merge pull request #71 from slima4/master

rewrite SceneWidget and LayerWidget
Merge pull request #72 from slima4/master

fixed menu on SceneWidget, fixed resize
Merge pull request #73 from slima4/master

added openGL and fixed resize box in SceneWidget
Merge pull request #74 from slima4/master

clone WidgetScene
Merge pull request #75 from slima4/master

fixed crach
Merge pull request #80 from slima4/master

fixed scroll, D&D, cursor, GraphicsItem
Merge pull request #83 from slima4/master

fix aspect ratio and VolumeWidget
Merge pull request #85 from slima4/master

fixed issue #64 and #46
Removed duplicate entry
Merge branch 'master' of https://github.com/m-garanin/zgui-qt
Issue #66 : Rectangle selection windget
Merge pull request #88 from slima4/master

added setting dialog and small fix
Issue #66 : screen capture
Issue #66 : rect selection widget - helper function moved to anonymous
namespace
+ Merge branch 'master' of https://github.com/m-garanin/zgui-qt
+ Fixed bug in RectSelectionWidget

Conflicts:
	mainwindow.cpp
	zgui-qt.pro
Merge pull request #92 from mbg033/master

#Issue 66 (screen capturing)
Issue #66 (Forgotten files)
Issue #66: removed wrong file, added forgotten file
заполенение качеств кодирования
Merge pull request #93 from mbg033/master

Issue #66 (fix)