shill: cleaning glint warnings

The typical warnings addressed include a lot of missing includes
and missing argument names. About 30 files edited in total.

Cpplint was the actual lint being run.

BUG=chromium-os:15873
TEST=Ran all the unit tests.

Change-Id: I64a8b76cd8f94c7729743b76b41a956f1b7370cf
Reviewed-on: https://gerrit.chromium.org/gerrit/12253
Commit-Ready: Hristo Stefanov <hstefanov@chromium.org>
Reviewed-by: Hristo Stefanov <hstefanov@chromium.org>
Tested-by: Hristo Stefanov <hstefanov@chromium.org>
diff --git a/glib.h b/glib.h
index 673ba63..a3d321b 100644
--- a/glib.h
+++ b/glib.h
@@ -110,7 +110,7 @@
   virtual void KeyFileSetString(GKeyFile *key_file,
                                 const gchar *group_name,
                                 const gchar *key,
-                                const gchar *string);
+                                const gchar *value);
   // g_key_file_set_string_list
   virtual void KeyFileSetStringList(GKeyFile *key_file,
                                     const gchar *group_name,