metasploit: Stop changing the current working directory in joint scripts.

Let's hope this doesn't break anything.
Merge branch 'master' of https://github.com/BlackArch/blackarch
pack: Clean up, simplify.

This quotes `$pkgdir` variables and removes some code.
rfdump: Move from `broken` to `packages`.

This package works. Its source was missing at one point.
rfdump: Quote some variables.

This quotes `$pkgdir` and `$srcdir`.
dnsrecon: Turn the `build` function into a `package` function.

This also quotes a word.
ace: Quote `$pkgdir`.
afflib: Make some styling changes.
asleap: Make some quotation changes.
autopsy: Replace `$pkgname` with the actual package name.
bed: Quote `$pkgdir`.