fix image paths for the BPMN Project

Change-Id: Ifa574405c822835467f011e5b3e45a3e064d4644
Issue-ID: SO-675
Signed-off-by: seshukm <seshu.kumar.m@huawei.com>
diff --git a/docs/developer_info/BPMN_Project_Structure.rst b/docs/developer_info/BPMN_Project_Structure.rst
index 209ec72..2391609 100644
--- a/docs/developer_info/BPMN_Project_Structure.rst
+++ b/docs/developer_info/BPMN_Project_Structure.rst
@@ -12,7 +12,7 @@
 
 CreateVfModuleVolumeInfraV1 is a main process flow.
 
-.. image:: images/bpmn_project_structure_1.png
+.. image:: ../images/bpmn_project_structure_1.png
 
 Open BPMN files with the camunda modeler (standalone application).  To launch the modeler from eclipse, right-click→open-with→Other→Browse.  Select Check the boxes on the dialog so that eclipse will open all .bpmn files with the camunda-modeler executable.
 
@@ -23,25 +23,25 @@
 
 The CreateVfModuleVolumeInfraV1 process flow is delivered with two custom subflows: DoCreateVfModuleVolumeV2 and DoCreateVfModuleVolumeRollback.
 
-.. image:: images/bpmn_project_structure_2.png
+.. image:: ../images/bpmn_project_structure_2.png
 
 Groovy scripts
 ---------------
 
 There is one groovy script for each BPMN file.  Groovy scripts are invoked by script tasks within the BPMN flows.
 
-.. image:: images/bpmn_project_structure_3.png
+.. image:: ../images/bpmn_project_structure_3.png
 
 Unit Tests
 -----------
 
 Normally, we create a unit test class for every flow.  This one is missing a unit test for its rollback flow.
 
-.. image:: images/bpmn_project_structure_4.png
+.. image:: ../images/bpmn_project_structure_4.png
 
 Unit Test Resource Files
 ------------------------
 
 Any files needed by the unit tests are kept under the src/test/resources/__files folder.
 
-.. image:: images/bpmn_project_structure_5.png
\ No newline at end of file
+.. image:: ../images/bpmn_project_structure_5.png
\ No newline at end of file