Readme nits

Testing code review, and fixing things in the docs.
<a href='#crh-start'></a><a 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url%22%3A%20%22https%3A//avatars.githubusercontent.com/u/7150922%3F%22%2C%20%22html_url%22%3A%20%22https%3A//github.com/parisiale%22%7D%7D%5D%2C%20%22title%22%3A%20%22File%3A%20README.md%3AL1-16%22%7D%7D%2C%20%22approved%22%3A%20%7B%7D%7D'></a>
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- [ ] <a href='#crh-comment-General Comment'></a> <img src='http://www.codereviewhub.com/site/github-remaining.png' height=16 width=60>&nbsp;<b><a href='https://github.com/parisiale/libpuppetdb/pull/1#issuecomment-48720953'>General Comment</a></b>
- <a href='https://github.com/parisiale'><img border=0 src='https://avatars.githubusercontent.com/u/7150922?size=16' height=16 width=16'></a> This is a global testing comment!
- <a href='https://github.com/parisiale'><img border=0 src='https://avatars.githubusercontent.com/u/7150922?size=16' height=16 width=16'></a> :shipit:
- <a href='https://github.com/parisiale'><img border=0 src='https://avatars.githubusercontent.com/u/7150922?size=16' height=16 width=16'></a> :shipit::gun:
- [x] <a href='#crh-comment-Pull a7c9f7d01bf23bd88b4055ff8018229bb2c55d57 README.md 4'></a> <img src='http://www.codereviewhub.com/site/github-remaining.png' height=16 width=60>&nbsp;<b><a href='https://github.com/parisiale/libpuppetdb/pull/1#discussion_r14816765'>File: README.md:L1-16</a></b>
- <a href='https://github.com/parisiale'><img border=0 src='https://avatars.githubusercontent.com/u/7150922?size=16' height=16 width=16'></a> Contractions are good!
- <a href='https://github.com/parisiale'><img border=0 src='https://avatars.githubusercontent.com/u/7150922?size=16' height=16 width=16'></a> Maybe having the whole word is better...
- [x] <a href='#crh-comment-Pull a7c9f7d01bf23bd88b4055ff8018229bb2c55d57 README.md 16'></a> <img src='http://www.codereviewhub.com/site/github-remaining.png' height=16 width=60>&nbsp;<b><a href='https://github.com/parisiale/libpuppetdb/pull/1#discussion_r14816783'>File: README.md:L1-16</a></b>
- <a href='https://github.com/parisiale'><img border=0 src='https://avatars.githubusercontent.com/u/7150922?size=16' height=16 width=16'></a> Again!
But tell me if when you read this.
- <a href='https://github.com/richardc'><img border=0 src='https://avatars.githubusercontent.com/u/55650?size=16' height=16 width=16'></a> I can read reel gud
- <a href='https://github.com/parisiale'><img border=0 src='https://avatars.githubusercontent.com/u/7150922?size=16' height=16 width=16'></a> Try some more!
- <a href='https://github.com/parisiale'><img border=0 src='https://avatars.githubusercontent.com/u/7150922?size=16' height=16 width=16'></a> Ok, ok...
- [x] <a href='#crh-comment-Pull a7c9f7d01bf23bd88b4055ff8018229bb2c55d57 README.md 9'></a> <img src='http://www.codereviewhub.com/site/github-completed.png' height=16 width=60>&nbsp;<b><a href='https://github.com/parisiale/libpuppetdb/pull/1#discussion_r14816773'>File: README.md:L1-16</a></b>
- <a href='https://github.com/parisiale'><img border=0 src='https://avatars.githubusercontent.com/u/7150922?size=16' height=16 width=16'></a> Ok, I agree here.


<a href='https://www.codereviewhub.com/parisiale/libpuppetdb/pull/1?mark_as_completed=1'><img src='http://www.codereviewhub.com/site/github-mark-as-completed.png' height=26></a>&nbsp;<a href='https://www.codereviewhub.com/parisiale/libpuppetdb/pull/1?approve=1'><img src='http://www.codereviewhub.com/site/github-approve.png' height=26></a>&nbsp;<a href='https://github.com/parisiale/libpuppetdb/pull/1'><img src='http://www.codereviewhub.com/site/github-refresh.png' height=26></a>
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:+1:<a href='#crh-update-complete'></a>