new stuff
Merge branch 'master' of github.com:sans-dfir/sift-docs

* 'master' of github.com:sans-dfir/sift-docs:
  Update index.rst
  Update mantaray.rst
  Update mantaray.rst
  Update mantaray.rst
  Update mantaray.rst
  Update mantaray.rst
  Update mantaray.rst
  Update mantaray.rst
  Update mantaray.rst
  Update mantaray.rst
  Update mantaray.rst
  Update mantaray.rst
  Update mantaray.rst
  Create mantaray.rst
  Update pcapcat.rst
  Update memory_analysis.rst