Contains non-free (non DFSG compliant) RFCs

The following files:

~/qtbase-opensource-src-5.0.1$ find ( -name rfc????.txt ) -print
./tests/auto/network/access/qnetworkreply/rfc3252.txt
./tests/auto/network/access/qftp/rfc3252.txt
./tests/auto/corelib/io/qtextstream/rfc3261.txt
./tests/auto/corelib/tools/qbytearray/rfc3252.txt
./src/3rdparty/zlib/doc/rfc1951.txt
./src/3rdparty/zlib/doc/rfc1950.txt
./src/3rdparty/zlib/doc/rfc1952.txt

Are RFCs which are considered non-free in Debian [0]. This generates the need to repackage the source for every new upstream release.

Please consider removing them.

[0] <http://wiki.debian.org/NonFreeIETFDocuments>