Fix typo on About page
Update language on Collections page
Remove redundant code example
Clarify {{#with}} and {{#if}} nesting behavior
Update language and fix typos
Use second-person voice throughout entire FAQ page
Update language and fix typos
Tweak language on Layouts page
Tweak language and formatting on YAML front matter page
Merge pull request #66 from thegreatsunra/master

Tweak documentation