Added function "sys_process_is_stack"
Merge pull request #899 from Survanium90/master

Added function "sys_process_is_stack"
High rescale quality for icons in GameViewer, fixed removing of games in GameViewer
Merge pull request #900 from O1L/master

High rescale quality for icons, fixed removing of games in GameViewer
Merge branch 'master' of https://github.com/DHrpcs3/rpcs3

Conflicts:
	rpcs3/Gui/GameViewer.h