[midPoint-git] [Evolveum/midpoint] af385d: Add policyRules expression variable (MID-5564)

[mederly]

  Branch: refs/heads/master
  Home:   https://github.com/Evolveum/midpoint
  Commit: af385d4596e4aa71f03c937d9cb212f0165dac5d
      https://github.com/Evolveum/midpoint/commit/af385d4596e4aa71f03c937d9cb212f0165dac5d
  Author: Pavol Mederly <mederly at evolveum.com>
  Date:   2019-10-02 (Wed, 02 Oct 2019)

  Changed paths:
    M infra/schema/src/main/java/com/evolveum/midpoint/schema/constants/ExpressionConstants.java
    M infra/schema/src/main/resources/xml/ns/public/common/common-model-context-3.xsd
    M model/workflow-impl/src/main/java/com/evolveum/midpoint/wf/impl/ApprovalSchemaExecutionInformationHelper.java
    M model/workflow-impl/src/main/java/com/evolveum/midpoint/wf/impl/engine/EngineInvocationContext.java
    M model/workflow-impl/src/main/java/com/evolveum/midpoint/wf/impl/engine/actions/OpenStageAction.java
    M model/workflow-impl/src/main/java/com/evolveum/midpoint/wf/impl/processes/common/StageComputeHelper.java
    M model/workflow-impl/src/main/java/com/evolveum/midpoint/wf/impl/processors/primary/PcpStartInstruction.java
    M model/workflow-impl/src/main/java/com/evolveum/midpoint/wf/impl/processors/primary/policy/AssignmentPolicyAspectPart.java
    M model/workflow-impl/src/main/java/com/evolveum/midpoint/wf/impl/processors/primary/policy/ObjectPolicyAspectPart.java
    M model/workflow-impl/src/test/java/com/evolveum/midpoint/wf/impl/assignments/TestAssignmentsAdvanced.java
    M model/workflow-impl/src/test/resources/assignments-advanced/role-role25-very-complex-approval.xml

  Log Message:
  -----------
  Add policyRules expression variable (MID-5564)

1. Added policyRules and theCase variables to approver expressions.
2. Tracing of start instructions created by getStartInstructions
sub-methods in policy rule based aspect.
3. Other minor improvements.