Build 160828 (stable)

• gi-821: Fixed crash on startup if Explorer is not started.
• Support sha256 checksum in chocolatey package.
• conemu#832: Fix crash on erasing ‘Settings->Keys & Macro->Mark/Copy->Exceptions’.
• conemu#766: Prefer ‘TEMP’ env.var over GetTempPath function.
• GuiMacro: Let Detach(1) do the work without confirmation.