Update manage-availability-virtual-machines.md

Not sure what ML syntax I should be using :)
Update manage-availability-virtual-machines.md

Made proof-read update to #Configure multiple virtual machines in an Availability Set for redundancy
Update manage-availability-virtual-machines.md
Merge branch 'patch-1' of https://github.com/kenazk/azure-content into 5-21-2014
fixing some items
deleting dup file
deleting unnecessary include file
added images and links, some formatting
tweaks to metadata
Merge pull request #1837 from tysonn/5-21-2014

Multiple updates around the managing VM availability topic