(Settings) setting_data_find_setting cleanups
(Menu) Implement ST_GROUP label representation
(Menu) Refactor 'User Options' setting too
(Menu) Refactor ST_DIR options
(Lakka) Display about 9 horizontal icons instead of 6
(Lakka) Fix hardcoded resolution
Merge pull request #900 from lakkatv/lakka

(Lakka) Display about 9 horizontal icons instead of 6
(Menu) Refactor away MENU_CONTENT_HISTORY_PATHckend.c.swp
(Menu) Split up ACTION_OK logic into separate function
(Menu) Rename menu_common_iterate_action to menu_action_ok
(Menu) Move some descriptions to settings_data.c
Move DEFAULT_SHADER_TYPE from driver.h to gfx/shader_common.h
Remove unused menu_ctx_find_driver
Move all drivers to beginning of driver.c
Combine all driver_index* functions
find_driver_index - cleanups
Refactor find_driver_index
Refactor find_driver_index
Cleanups - remove extraneous else
Refactor find_prev_* / find_next_* functions