Move wavpack to good.

Move wavpack to good.

Original commit message from CVS:
* configure.ac:
* docs/plugins/Makefile.am:
* docs/plugins/gst-plugins-bad-plugins-docs.sgml:
* docs/plugins/gst-plugins-bad-plugins-sections.txt:
* docs/plugins/gst-plugins-bad-plugins.hierarchy:
* docs/plugins/inspect/plugin-wavpack.xml:
* ext/Makefile.am:
* ext/wavpack/Makefile.am:
* ext/wavpack/gstwavpack.c:
* ext/wavpack/gstwavpackcommon.c:
* ext/wavpack/gstwavpackcommon.h:
* ext/wavpack/gstwavpackdec.c:
* ext/wavpack/gstwavpackdec.h:
* ext/wavpack/gstwavpackenc.c:
* ext/wavpack/gstwavpackenc.h:
* ext/wavpack/gstwavpackparse.c:
* ext/wavpack/gstwavpackparse.h:
* ext/wavpack/gstwavpackstreamreader.c:
* ext/wavpack/gstwavpackstreamreader.h:
* ext/wavpack/md5.c:
* ext/wavpack/md5.h:
* tests/check/Makefile.am:
* tests/check/elements/wavpackdec.c:
* tests/check/elements/wavpackenc.c:
* tests/check/elements/wavpackparse.c:
Move wavpack to good.