(Lakka) Fix subitems vertical spacing
(Lakka) Allow quitting RetroArch
(Menu) Refactor menu_common_entries_init
(Menu/Settings data) Clean up unused var
(Menu) Add ifdef around get_mainmenu
Disable BFI during fast foward

Fast forward causes ugly flicker when BFI is enabled.
(Menu) Start refactoring main menu actions
Merge pull request #903 from mprobinson/master

Disable BFI during fast foward
(Menu) Refactor most of the main menu settings
Merge pull request #902 from lakkatv/lakka

(Lakka) Fix subitems vertical spacing
(Menu) Move some info descriptions to settings_data.c
(Menu) reduce dependencies on setting enums
(Menu) Get rid of some setting enums
(SDL2) List available renderers
(SDL) Clean sdl_gfx.c up a bit
(SDL) Fix scaler memory leak
(SDL*) Refactor *set_handles() functions