Provide Deploy docs

Expand AWS/OpenStack/Docker/VirtualBox deployment instruction, relocate them to Deploy tab, similar to Spark's Deploying.

@haoyuan @dcapwell @hsaputra 
In fine with it this way
On Nov 19, 2014 3:15 PM, "Huamin Chen" <notifications@github.com> wrote:

> In docs/Running-Tachyon-on-VirtualBox.md:
>
> > +</tr>
> > +<tr>
> > +    <td>Addresses</td><td>Internal IPs given to each VM. The last one is designated as Tachyon master.
> > +For VirtualBox, the addresses can be arbitrary.
> > +For AWS, the addresses should be within the same availability zone.
> > +For OpenStack, since the compute node instances use DHCP, these addresses are not used.
> > +For Docker provider, containers use DHCP, these addresses are not used.
> > +</td><td>IPv4 address string</td>
> > +</tr>
> > +</table>
> > +
> > +## Launch Cluster
> > +
> > +Run command to launch your Tachyon cluster
> > +
> > +    $ vagrant up
>
> it looks a command to me :)
>
> —
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> <https://github.com/amplab/tachyon/pull/536/files#r20616007>.
>