moves list, sections, and preamble content to includes

- fixes a few cross references
Merge pull request #175 from graphitefriction/list-includes

moves list, sections, and preamble content to includes
creates faq and troubleshooting page

- adds troubleshooting section to user manual
- adds block and url tips docs to includes
- adds faq link to docs index page
- resolves #106
- resolves #131
Merge pull request #176 from graphitefriction/faq

creates faq and troubleshooting page
organizes header section into includes

- minor copyedits to header and man page sections
Merge pull request #177 from graphitefriction/header-mod

organizes header section into includes
add partintro style; fix output of XML special characters

- add partintro style to intro content in each part
- fix where XML special characters were passing directly to output
Merge pull request #178 from mojavelinux/user-manual-partintro

add partintro style; fix output of XML special characters
resolves #155 adds section styles and multi-part book docs

- creates includes for special sections
- creates includes for toc
- renames navigation part of user manual
- creates multi-part book example
Merge pull request #179 from graphitefriction/special-sect

resolves #155 adds section styles and multi-part book docs
resolves #168 clarifies link macro use cases

- adds new examples to URL section
- creates url include files
- adds image of a basic url
Merge pull request #182 from graphitefriction/urls

resolves #168 clarifies link macro use cases
minor typo
Merge pull request #183 from jmbruel/typo

minor typo
moves user manual sections to includes

- hr markdown include
- paragraph includes
- images includes
- table includes
- creates example file includes for table examples
- text formatting includes
Merge pull request #184 from graphitefriction/include-clean

moves user manual sections to includes
user manual sections to includes
Merge pull request #185 from graphitefriction/include-clean2

user manual sections to includes