Update jbpm-docs/src/main/docbook/en-US/Chapter-Processes/Chapter-Processes.xml

Added 'for' to line 867.
JBPM-3724 - configurable session in console - remove bind to JNDI as session is not serializable
JBPM-3775 - Update/clean up installer to utilize assemblies for console and ht server
Updated docs - how to access process variables from the Java code.
Updated process variables docs - added also example which uses persistence.
JBPM-3773 - NotSerializableException: org.jbpm.bpmn2.xml.ProcessHandler$1 when trying to serialize CancelActivity action
Removing spring configuration from human-task (migrated to integration module)
BZ833609 - JPAKnowledgeService sessions fail on CMT under other App Servers
BZ833609 - JPAKnowledgeService sessions fail on CMT under other App Servers - added logging
JBPM-3589 BZ 854612: Adding an index to the EventTypes table: via .hbm.xml (cleaned up unnecessary hib4 profile in pom.xml as well)
updating console version to 2.3.7.Final
LocalTaskService/MVEL initialization issue: caching the operations in static class variable.
moving back installer to AS7.0.2
Reverting 'OperationsHolder' static field solution because it doesn't work with TaskService class inheritance (revert of c01b8f78a205fc23fda26d2f406bd4cbec619294)
BZ 858354: Cache operations map in TaskService
- updating cdi task services and workitems
reverting installer back to AS7.1.1 and updating console version
updating form builder url to 5.4.0.Final release
updating console version to 2.3.8.Final
using 7.0.2 AS with correct standalone.xml