Improve documentation markup.
This is partial backport of r1519668 from trunk.

git-svn-id: https://svn.apache.org/repos/asf/tomcat/tc7.0.x/trunk@1590498 13f79535-47bb-0310-9956-ffa450edef68
Improve documentation markup.
This is partial backport of r1519668 from trunk.

git-svn-id: https://svn.apache.org/repos/asf/tomcat/tc7.0.x/trunk@1590499 13f79535-47bb-0310-9956-ffa450edef68
Improve documentation markup.
This is partial backport of r1519668 from trunk.

git-svn-id: https://svn.apache.org/repos/asf/tomcat/tc7.0.x/trunk@1590501 13f79535-47bb-0310-9956-ffa450edef68
Improve documentation markup.
This is partial backport of r1518540 from trunk.

git-svn-id: https://svn.apache.org/repos/asf/tomcat/tc7.0.x/trunk@1590503 13f79535-47bb-0310-9956-ffa450edef68
Fix https://issues.apache.org/bugzilla/show_bug.cgi?id=55383
Backport markup and styles for tables and source fragments from Tomcat 8.

A difference is that I am not introducing a separate docs-stylesheet.css file,
but I am adding the needed styles from that stylesheet into on-page <style> tag generated by XSLT.

git-svn-id: https://svn.apache.org/repos/asf/tomcat/tc7.0.x/trunk@1590506 13f79535-47bb-0310-9956-ffa450edef68
Improve documentation markup.
This is partial backport of r1518540 from trunk.

git-svn-id: https://svn.apache.org/repos/asf/tomcat/tc7.0.x/trunk@1590507 13f79535-47bb-0310-9956-ffa450edef68