Issue #415: Upgrade to slf4j 1.7.5
Done.
Issue #414: Upgrade to xerces 2.11.0
Done.
Issue #413: Upgrade to commons-math 3.2
Done.
Issue #412: Upgrade to logback 1.0.11
Done.
Issue #411: Upgrade to mysql-connector-java 5.1.24
Done.
Issue #416: Upgrade to Jetty 8.1.10
Done.
Issue #417: Duplicate jars present in the .war package
Fixed.