Do not build lua-gettext, do not build input module for Emu (is FFI now)
remove lua_gettext
do not load lua_gettext module
remove FFI to gettext
remove FFI C declaration for gettext
remove test specs and data for lua_gettext
Merge pull request #164 from hwhw/fixes

Remove lua_gettext
fix Android build
makefile refactoring for Android
makefile refactoring