Fix https://issues.apache.org/bugzilla/show_bug.cgi?id=55343
Add flag to ignore error of connection creation while initializing the pool.

git-svn-id: https://svn.apache.org/repos/asf/tomcat/trunk@1519948 13f79535-47bb-0310-9956-ffa450edef68
Correct comment
Fix some whitespace formatting


git-svn-id: https://svn.apache.org/repos/asf/tomcat/trunk@1519951 13f79535-47bb-0310-9956-ffa450edef68
Fix comment typo

git-svn-id: https://svn.apache.org/repos/asf/tomcat/trunk@1519952 13f79535-47bb-0310-9956-ffa450edef68