MULE-6920: fix by synchronizing getManifest()
Fixing dependencies in assembly whitelist
MULE-6982: Upgrade jsch to version 0.1.50
MULE-6172: Upgrade apache-commons-pool

_ Updating to 1.6 until a new version containing the required fix is released
Merge pull request #15 from adangel/MULE-6920

MULE-6920: fix by synchronizing getManifest()
MULE-6872: Implemented custom shcdulers for poll components. Implemented cron scheduler
MULE-6872 adding license headers
MULE-6872 fixing failing test
MULE-6872 adding unit tests
Added config option to set the number of acceptor threads used by Jetty. Acceptor threads are those threads dedicated to accepting incoming connections. Increasing the number of acceptor threads can increase the throughput of a running system.

Changes were applied to JettyHttpConnector, JettyHttpsConnector and related configuration.

Functional tests are written to verify the configuration options are base down into the connector. Tests verify that acceptor threads are increased when accessing the application defined connector, and when accessing the connector used by the endpoint.
Added config option to set the number of acceptor threads used by Jetty. Acceptor threads are those threads dedicated to accepting incoming connections. Increasing the number of acceptor threads can increase the throughput of a running system
MULE-6872 using prober when possible
MULE-6872: Making the scheduler interfaces typed so that they can accomodate more types of jobs
MULE-6844: Moving classes packages and making PagingDelegate an abstract class
MULE-6872: Fixing broken test
MULE-6872: Making test a small one
Removing old test that is not required anymore and its broken because it uses an xsd that is not available anymore on the web
MULE-6989: Quartz synchronous is not using the configured exception strategy
MULE-6990: OOM exception using foreach

_ Adding a filter into the MP pipeline to avoid storing the result of each part's processing
MULE-6990: OOM exception using foreach

_ Fixing test