Use new git URI
Fix RDEPENDS, set it as package specific
Bitbake does not like tags in our repo -

error: Function failed: Fetcher failure for URL: 'git://git.code.sf.net/p/pure-data/pure-data;protocol=git'. The command git ls-remote git://git.code.sf.net/p/pure-data/pure-data refs/heads/0.46-0 refs/tags/0.46-0^{} gave empty output unexpectedly
Ensure all docs are in the right package