updated wpscan's pkgbuild from svn to git
added PKGBUILD for dnsrecon, tested and working
Merge https://github.com/archey/blackarch into wpscan
wpscan: Clean and fix.

This is a nearly-complete rewrite of the PKGBUILD file.
Add 'python-netaddr'.

This is a dependency for 'dnsrecon'.
sqlmap: Switch to the Git repo.

The SVN repo was deprecated by the upstream.
dnsrecon: Clean up and fix the version number.

We get the version number from the README file now. It's prone to
breakage but better than nothing.