Move os_install_lang from install to os_lang lib.

pym/cl_fill.py

@@ -731,3 +731,9 @@ class fillVars(varsShare):
         if path.exists(timezonefile):
             return open(timezonefile,"r").read().strip()
         return "UTC"
+
+    def get_os_lang(self):
+        """Supported languages"""
+        return list(sorted(list(set(clLocale().getLangs()) &
+            set(["en_US","de_DE","es_ES","fr_FR","it_IT","pl_PL","pt_BR",
+                "uk_UA","bg_BG","ru_RU","ro_RO","pt_PT"]))))

pym/cl_vars.py

@@ -163,6 +163,9 @@ class Data:
     # kernel uid get by uuid root device
     cl_kernel_uid = {'hide':True}
 
+    # supported languages
+    os_lang = {}
+
     # this variable work with template function belong(package_name)
     # if the variable is defined then will use only template, which 
     # has package_name in belong equal value of this variable or