Add general options page. Options are working with the following exceptions:

app/l10n_util.h

Index: app/l10n_util.h
diff --git a/app/l10n_util.h b/app/l10n_util.h
index 0fe391c482a0d128c11874afa4bd04adac2f2cc2..69d3271575b7243b8371bbc9826d36586c8d595c 100644
--- a/app/l10n_util.h
+++ b/app/l10n_util.h
@@ -67,6 +67,7 @@ std::wstring GetLocalName(const std::string& locale_code_str,
 // Pulls resource string from the string bundle and returns it.
 std::wstring GetString(int message_id);
 std::string GetStringUTF8(int message_id);
+string16 GetStringUTF16(int message_id);
 
 // Get a resource string and replace $1-$2-$3 with |a| and |b|
 // respectively.  Additionally, $$ is replaced by $.