Fix typos and better HTML usage.

  - Still not sure why having an <ol> after a subsection is 
  supposedly invalid. Not a big deal.

git-svn-id: https://svn.apache.org/repos/asf/logging/log4j/log4j2/trunk@1597675 13f79535-47bb-0310-9956-ffa450edef68
Fix HTML usage.

  - Embedded lists still need to be inside a list item element.

git-svn-id: https://svn.apache.org/repos/asf/logging/log4j/log4j2/trunk@1597676 13f79535-47bb-0310-9956-ffa450edef68
Note ability to use YAML files in configuration.html.

git-svn-id: https://svn.apache.org/repos/asf/logging/log4j/log4j2/trunk@1597677 13f79535-47bb-0310-9956-ffa450edef68
Update extending.html to reflect updated plugin API.

  - No mention of builder classes yet as we're still working out the 
  details.

git-svn-id: https://svn.apache.org/repos/asf/logging/log4j/log4j2/trunk@1597679 13f79535-47bb-0310-9956-ffa450edef68
Add XSD and fix HTML error.

git-svn-id: https://svn.apache.org/repos/asf/logging/log4j/log4j2/trunk@1597680 13f79535-47bb-0310-9956-ffa450edef68
Add XSD.

git-svn-id: https://svn.apache.org/repos/asf/logging/log4j/log4j2/trunk@1597681 13f79535-47bb-0310-9956-ffa450edef68
Add XSD and fix HTML.

git-svn-id: https://svn.apache.org/repos/asf/logging/log4j/log4j2/trunk@1597682 13f79535-47bb-0310-9956-ffa450edef68
Add XSD and fix HTML.

git-svn-id: https://svn.apache.org/repos/asf/logging/log4j/log4j2/trunk@1597683 13f79535-47bb-0310-9956-ffa450edef68
Add XSD.

git-svn-id: https://svn.apache.org/repos/asf/logging/log4j/log4j2/trunk@1597684 13f79535-47bb-0310-9956-ffa450edef68
Add XSD.

git-svn-id: https://svn.apache.org/repos/asf/logging/log4j/log4j2/trunk@1597685 13f79535-47bb-0310-9956-ffa450edef68
Add XSD.

  - Moved anchors into their sections instead of before them.
  - Added alt attributes to img elements.

git-svn-id: https://svn.apache.org/repos/asf/logging/log4j/log4j2/trunk@1597686 13f79535-47bb-0310-9956-ffa450edef68
Add XSD.

  - Moved anchors into sections.

git-svn-id: https://svn.apache.org/repos/asf/logging/log4j/log4j2/trunk@1597687 13f79535-47bb-0310-9956-ffa450edef68
Add XSD.

  - Moved anchors into sections.

git-svn-id: https://svn.apache.org/repos/asf/logging/log4j/log4j2/trunk@1597688 13f79535-47bb-0310-9956-ffa450edef68
Add XSD and fix up HTML.

  - Moved anchors into sections.
  - Changed title-like bits into <h4> elements.

git-svn-id: https://svn.apache.org/repos/asf/logging/log4j/log4j2/trunk@1597689 13f79535-47bb-0310-9956-ffa450edef68
Fix HTML typo.

git-svn-id: https://svn.apache.org/repos/asf/logging/log4j/log4j2/trunk@1597690 13f79535-47bb-0310-9956-ffa450edef68
Add XSD and remove outdated logo message.

  - We won't have an RC2 without a new logo from what I can tell, so 
  this banner is unnecessary!

git-svn-id: https://svn.apache.org/repos/asf/logging/log4j/log4j2/trunk@1597691 13f79535-47bb-0310-9956-ffa450edef68