E intl: Set LANG instead of LC_ALL when setting language.
E intl: Set LANG instead of LC_ALL when setting language.

Also, don't force all the locale sections to be the same, let the user
override LC_* however he likes.

SVN revision: 62649

rvandegrift/e,tizenorg/platform.upstream.enlightenment,rvandegrift/e,tasn/enlightenment,rvandegrift/e,tizenorg/platform.upstream.enlightenment,tasn/enlightenment,FlorentRevest/Enlightenment,FlorentRevest/Enlightenment,tasn/enlightenment,FlorentRevest/Enlightenment,tizenorg/platform.upstream.enlightenment