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 - Standardize capitalization across title and subsection headers
 - Standardize grammar of title and subsection headers
 - Standardize link format

Also now wrap Maven/Gradle sections in <span> tags with 'maven' and
'gradle' class values to allow us to apply CSS to these to hide or show
based on value of Maven / Gradle toggle control in UI. Ideally this
should be a <div>, but by default Markdown syntax is not supported (i.e.
parsed) within divs. See
http://daringfireball.net/projects/markdown/syntax#html for details.

prod-hid/akd-api,prod-hid/akd-api