Upgrade to Apache Axis2 1.5.1

Ever since the release of Apache Axis2 version 1.3, which is what Apache ODE version 1.X is built on, the committers at Axis2 have been busy cranking out one release after another. First off, let's take a look at some of the highlights from those release notes:

The major changes between Axis2 1.4 and Axis2 1.3 are:

• Support for JAXWS and JSR 181 Annotations
• Experimental CORBA Support
• Fixed tons of small and not-so-small bugs

The major changes between Axis2 1.5 and Axis2 1.4 are:

• Refactored, pluggable transports (separate jars, with deployer)
• Clustering improvements (works with EC2)
• Over 100 JIRA issues resolved

Needless to say, it would be nice to leverage some of these new and improved features in Apache ODE. To that end, let us use this issue to capture and track the work items required for upgrading the version of Apache Axis2 used by Apache ODE 1.X to 1.5.