Document new attribute

git-svn-id: https://svn.apache.org/repos/asf/tomcat/tc7.0.x/trunk@1545472 13f79535-47bb-0310-9956-ffa450edef68
Correct typo, fix missing '>' in a tag.

git-svn-id: https://svn.apache.org/repos/asf/tomcat/tc7.0.x/trunk@1545475 13f79535-47bb-0310-9956-ffa450edef68
Prevent a web application from deploying if it contains a context.xml, deployXML is false and there is no explicit descriptor as the descriptor may contain necessary security information.

git-svn-id: https://svn.apache.org/repos/asf/tomcat/tc7.0.x/trunk@1545481 13f79535-47bb-0310-9956-ffa450edef68
Fix bug in r1545481 backport

git-svn-id: https://svn.apache.org/repos/asf/tomcat/tc7.0.x/trunk@1545482 13f79535-47bb-0310-9956-ffa450edef68