Updated README with all subtree merge info
Updated README with all subtree merge info

- Documented steps for updating subtrees

weierophinney/mwop.net,weierophinney/mwop.net,vrkansagara/mwop.net,weierophinney/mwop.net,vrkansagara/mwop.net,vrkansagara/mwop.net,vrkansagara/mwop.net,weierophinney/mwop.net