upgraded required maven version to 3.0.5
Revert "upgraded required maven version to 3.0.5"
As maven 3.0.5 was showed as available on Jenkins but was nor properly installed
this change had to be undone

This reverts commit 32162101879fd21a244c6a83e9b9fd33c765d944.
upgraded maven version from 3.0.3 to 3.0.4
upgraded required maven version to 3.0.5
upgrade of war plugin to resolve issues with duplicated jars - snapshot and timestamped
Added jbpm-shared-services-btm dependency management
Revert "Added jbpm-shared-services-btm dependency management" (reverts commit 24b218a58fcc5d55b5f09321f6088ca06da6bc10).
add spring-osgi-core dependency to master pom