Improvements to the README

1. Updated installation instructions so they actually work.

2. General cleanup of the file and formatting.
Agreed, sounds sensible.

On Sat, Aug 2, 2014 at 3:38 PM, Nathan LeClaire <notifications@github.com>
wrote:

>>  ## Installation
>>  
>> -First get the go dependencies:
>> +You can install `libswarm` in a few simple steps. You will need to make
>> +Go installed on your host.
>> +
>> +1. Download the current source code.
>> +
>> +```sh
>> +git clone https://github.com/docker/libswarm.git
> Perhaps we should go `go get github.com/docker/libswarm` instead - this will clone the latest into the correct spot
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