ocarina/src/backends/ocarina-backends-properties.ads
   - Support for Subprogram_LUA subprogram kind
   - Add Language_LUA_Name and Language_LUA

 * ocarina/src/backends/ocarina-backends-po_hi_c-runtime.ads
   - Introduce RH_PO_HI_Lua, RE_LUA_Load, RE_LUA_Load_File
     and RE_LUA_Load_File_With_Function entities

 * ocarina/src/backends/ocarina-backends-c_common-mapping.adb
   - Map LUA subprograms

 * ocarina/resources/AADLv2/aadl_project.aadl
   - Add LUA language in the potential supported languages



git-svn-id: https://tecsw.estec.esa.int/svn/taste/trunk/ocarina@3660 129961e7-ef38-4bb5-a8f7-c9a525a55882