Updated readme wording and formatting

Squashed commit of the following:

commit 9ff7a47ff6c71ab8e62ee8caa4dc6b7104418dba
Author: Allen Wu <allen.wu@originate.com>
Date:   Fri Dec 12 21:02:22 2014 -0800

    Manual install instructions as a list

commit 9292fc579b22e50ce33c2fd27011bb86271c27ad
Author: Allen Wu <allen.wu@originate.com>
Date:   Fri Dec 12 20:48:03 2014 -0800

    Changed awkward wording

commit 8c1a576f836ccd5ca55a4fbe680ef19d8026ca42
Author: Allen Wu <allen.wu@originate.com>
Date:   Fri Dec 12 20:35:06 2014 -0800

    Updated broken link

commit d68a14f9a254a72465d10b0a81435d12e0c55430
Author: Allen Wu <allen.wu@originate.com>
Date:   Fri Dec 12 16:39:43 2014 -0800

    Missed a few

commit f91f4a0d557e420575b1925a2b1b330cb4153996
Author: Allen Wu <allen.wu@originate.com>
Date:   Fri Dec 12 16:32:41 2014 -0800

    Use markdown URLs

commit a734f673cd6edb05e87cb8b5079c806040526a95
Author: Allen Wu <allen.wu@originate.com>
Date:   Fri Dec 12 16:24:49 2014 -0800

    Code blocks unsupported in html markdown tables

commit a07f1c21a282e4e1b8cf3124b26e03158cb0dbde
Author: Allen Wu <allen.wu@originate.com>
Date:   Fri Dec 12 16:08:34 2014 -0800

    Minor README wording and formatting changes