Update the most recent patches with proper DEP-3 compliant headers

See http://dep.debian.net/deps/dep3/

debian/changelog

+mariadb-10.0 (10.0.21-4) UNRELEASED; urgency=low
+
+  * Update the most recent patches with proper DEP-3 compliant headers
+
+ -- Otto Kekäläinen <otto@seravo.fi>  Mon, 21 Sep 2015 13:18:39 +0300
+
 mariadb-10.0 (10.0.21-3) unstable; urgency=low
 
   * Updated Brazilian Portuguese translation (Closes: #798048)

debian/patches/extend_default_test_timeout_for_tokudb.patch

+Description: Extend timeout
+ Some Debian pbuilder/sbuilder chroots can be very slow and would timeout in
+ vain as given enough time the build result is fully correct.
+Forwarded: not-needed
 Author: Otto Kekäläinen <otto@seravo.fi>
-Description: Extend timeout as some Debian pbuilder/sbuilder chroots may be very slow to run these
-
 --- a/mysql-test/CMakeLists.txt
 +++ b/mysql-test/CMakeLists.txt
 @@ -64,7 +64,7 @@ ELSE()

debian/patches/remove_rename_mariadb-server_files_in.patch

-Author: Otto Kekäläinen <otto@seravo.fi>
 Description: Remove upstream debian/* handling that is obsolete
+Forwarded: not-needed
+Author: Otto Kekäläinen <otto@seravo.fi>
 
 --- a/CMakeLists.txt
 +++ b/CMakeLists.txt

debian/patches/scripts__mysql_config__libs.patch

-Author: Christian Hammers <ch@debian.org>
 Description: Removes unnecessary library dependencies. See #390692
+Author: Christian Hammers <ch@debian.org>
 
 --- a/scripts/mysql_config.sh
 +++ b/scripts/mysql_config.sh