Unsupported Mir Functions in SDL/glfw

Functions that are needed to be supported for full SDL/GLFW support.

SetWindowTitle - done // Would be nice to be dynamic, as its set after the creation of a window
SetWindowSize - done
SetWindowMinimumSize - done
SetWindowMaximumSize - done
ShowWindow - done
HideWindow - done
RaiseWindow - not done, will do
WindowVisible - done
SetWindowGammaRamp - not done, will do (means set gamma ramp for display)
GetWindowGammaRamp - not done, will do
CreateCursor - done // ie. Creating a custom cursor with its own defined hot_x and hot_y
ShowCursor - done
WarpMouse - a part of viewport mode
SetRelativeMouseMode - not done, will do
SuspendScreenSaver - not done, will do
StartTextInput - don't need in next 6 mo // Mainly used for Input Methods (not sure if really needed)
StopTextInput - don't need in next 6 mo
SetTextInputRect - don't need in next 6 mo
HasScreenKeyboardSupport - don't need in next 6 mo
ShowScreenKeyboard - don't need in next 6 mo
HideScreenKeyboard - don't need in next 6 mo
IsScreenKeyboardShown - don't need in next 6 mo
SetClipboardText - don't need, this is content hub
GetClipboardText - don't need, this is content hub
HasClipboardText - don't need, this is content hub
ShowMessageBox - sure