hddmenu: Support ext4 for formating disk

- Support ext4 for formating disk (require /sbin/mkfs.ext4)
- Support ext4 for check disk (require /sbin/fsck.ext4 or /sbin/e2fsck)
- Display disk format in menu (require /sbin/blkid)
- 'ext4' and 'display disk format' disabled when required files not present
CComponentsButton: Incrase height for btn font
Fix compiler warnings (-Wfloat-equal)
CLuaInstance: Add function getRenderWidth()
CLuaInstance: Add various CComponentsText fuctions

- Added: new, paint, hide, scroll
CLuaInstance: Add various CComponentsWindow fuctions

- Added: color buttons for footer, header_height
Merge remote-tracking branch 'cool-next-cc/next-cc'

Conflicts:
	data/locale/deutsch.locale
	data/locale/english.locale
	src/gui/hdd_menu.cpp
	src/system/locals.h
	src/system/locals_intern.h