increased latch timeout to 10 secs, and test time to 20 seconds

git-svn-id: https://svn.apache.org/repos/asf/felix/trunk@1486126 13f79535-47bb-0310-9956-ffa450edef68
fixed javadoc

git-svn-id: https://svn.apache.org/repos/asf/felix/trunk@1486128 13f79535-47bb-0310-9956-ffa450edef68