Adding manage dictionary UI feature

Adding manage dictionaries.js, its test file and respective changes in
loopui, menu js files

Issue-ID: CLAMP-589
Change-Id: Ib0440a7a966f3736682d2964e3329e08c91578d3
Signed-off-by: drveerendra <vrajasekharaiah@att.com>
diff --git a/ui-react/src/components/menu/MenuBar.js b/ui-react/src/components/menu/MenuBar.js
index 92380ab..4eafaa4 100644
--- a/ui-react/src/components/menu/MenuBar.js
+++ b/ui-react/src/components/menu/MenuBar.js
@@ -94,6 +94,9 @@
                     	    <NavDropdown.Item as={StyledLink} to="/uploadToscaPolicyModal">Upload Tosca Model</NavDropdown.Item>
                     		<NavDropdown.Item as={StyledLink} to="/viewToscaPolicyModal">View Tosca Models</NavDropdown.Item>
                     </StyledNavDropdown>
+                    <StyledNavDropdown title="Dictionaries">
+                            <NavDropdown.Item as={StyledLink} to="/ManageDictionaries">Manage Dictionaries</NavDropdown.Item>
+                    </StyledNavDropdown>
 					<StyledNavDropdown title="Loop Instance">
 					        <NavDropdown.Item as={StyledLink} to="/createLoop">Create</NavDropdown.Item>
 							<NavDropdown.Item as={StyledLink} to="/openLoop">Open</NavDropdown.Item>