Merge pull request #954 from heuripedes/master

More lakka fixes
(7zip/Android) Fix unused variable warnings
Style cleanups
(PS3) Get rid of altivec_mem
(settings_data.c) Get rid of warning
(Menu) Create setting_data_get_label and move code from menu_common_backend.c
to settings_data.c
(Menu) Refactor
Move/rename menu_update_system_info to rarch_update_system_info
Folders in 7zip archives are now correctly displayed in RGUI.
RETRO_ENVIRONMENT_GET_LANGUAGE - Fixup note in libretro.h - takes
unsigned *, not const unsigned *
Merge pull request #955 from timostrunk/folder_in_7z_works

Folders in 7zip archives are now correctly displayed in RGUI.
(menu_common_shader_backend.c) Cleanups
(Input) Add two input options - input_duty_cycle/input_turbo_period
(settings_data.c) Add some info descriptions
Revert "(menu_common_shader_backend.c) Cleanups"

This reverts commit 193e0ad77ae46c86a1eed701982e0ab2312c6761.
(Menu) Refactor input bind label code
(Menu) Move settings data descriptions to settings_data.c
Change to C-style comments
Indenting/C-style comments
Style nits