Added webContextPath to quickstarts
#1965: Fixed so quickstarts include web context path properties.
#1965: Lets use better context path for the war quickstarts.
Fixes ENTESB-1695: HTTP Gateway leaks memory and file descriptors

Added a burn in test for the HTTP gateway and found it would OOM or run out of file descriptors.  We now close the vert.x http client once we are done with it so that those resources can get released.
Fixes #1969: Use setProperties instead of MAVEN_OPTS to set install-file options
[Spring Boot process registry] Added Javadoc.
[Process testing API] Created basic mocked REST API.
[Process testing API] POM refactoring.
[Process testing API] Fixed conflicting logger configuration.
url => URL
Update Git MD with the external repository section.
add spring actuator by default as it adds extra jmx capabilities #1686
Fixed potential npe in version-info cli command
Polished cxf cdi quickstart and add it as archetype.
Added Spring Boot actuator to Spring Container jar.
Polished get started docs to make it more clear that the web console for karaf and tomcat are different.
ENTESB-1678: create-container-child should validate that parent is a root container.
Fix for #1983
#1953: mq create should check container metadata if auth exception so it can ask for credentials and try again.
#1480: Added more spring JARs to root pom.xml