BZ 1112884 -  Desginer does not allow to use a variable for called element in CallActivity
- removed typo in pom.xml (rebase/diff leftover)
- adding isAscending option to QueryFilter
 - adding link to Document toString
migrating to eclipse.aether
Revert "migrating to eclipse.aether"

This reverts commit e454f131d71a6c9e78faa610c4d8046e716229db.
- Generated unique folder to store documents
- Adding app context to document download link
migrating to eclipse.aether
BZ-1119239 - Webservice uses illegal types
BZ-1119239 - Webservice uses illegal types
BZ-1119239 - Webservice uses illegal types
BZ-1110206 - LDAPUserGroupCallbackImpl and LDAPUserInfoImpl do not support SUB_TREE search scope
BZ-1120122 - Unexpected behavior when exception is thrown in the On
Exit/Entry Script
 - fixing wildfly urls
BZ-1105588 - XMLPersistenceTest.testPersistenceOfFullNodes fails on IBM Java 6
JBPM-4398: Make information about what parent node triggered the
execution of the sub-process accessible via API
JBPM-4380: Add a "description" column in process instance list and task
list
 - adding description to ProcessInstanceImpl
BPMSPL-70 - EJB interface for BPM execution server

- refactoring of services structure and api definition, separated cdi code into separate module so services themselves are framework independent

- ejb implementation and test cases for jboss arquillian mode - local ejb only

- remote ejb implementation and test cases
BPMSPL-70 - added dedicated exceptions to indicate missing deployment, process instance, task, work item, added new modules to jbpm distribution
Lazy initialization of ksession and task service when fetching runtime engine, lazy by default with option to switch to eager