Added Website link in readme.md

Added Website link in readme.md. Good for people who doesn't know what this is about and want to get a quick overview.
Fixed a typo
Merge pull request #622 from DSteve595/patch-1

Fixed a typo
(:memo: #624) Removed Kickstarter Link
Merge with latest master
Merge branch 's4wny-patch-1'
Merge https://github.com/chocolatey/chocolatey