Move the libmtp source from jumper to external.

Change-Id: I06bce6628cf809af6f7125c8fb4115bafd7c6c87
diff --git a/src/unicode.h b/src/unicode.h
new file mode 100644
index 0000000..f612c32
--- /dev/null
+++ b/src/unicode.h
@@ -0,0 +1,40 @@
+/**
+ * \file unicode.h
+ *
+ * This file contains general Unicode string manipulation functions.
+ * It mainly consist of functions for converting between UCS-2 (used on
+ * the devices) and UTF-8 (used by several applications).
+ *
+ * For a deeper understanding of Unicode encoding formats see the
+ * Wikipedia entries for
+ * <a href="http://en.wikipedia.org/wiki/UTF-16/UCS-2">UTF-16/UCS-2</a>
+ * and <a href="http://en.wikipedia.org/wiki/UTF-8">UTF-8</a>.
+ *
+ * Copyright (C) 2005-2007 Linus Walleij <triad@df.lth.se>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ *
+ */
+
+#ifndef __MTP__UNICODE__H
+#define __MTP__UNICODE__H
+
+int ucs2_strlen(uint16_t const * const);
+char *utf16_to_utf8(LIBMTP_mtpdevice_t*,const uint16_t*);
+uint16_t *utf8_to_utf16(LIBMTP_mtpdevice_t*, const char*);
+void strip_7bit_from_utf8(char *str);
+
+#endif /* __MTP__UNICODE__H */