paramters can quote input parameter of start event

rest task input parameters can quote input parameters of start event

Issue-ID: SDC-122

Change-Id: I0cda0f1967514ac90e377b2f054ddf2cef011694
Signed-off-by: Lvbo163 <lv.bo163@zte.com.cn>
diff --git a/sdc-workflow-designer-ui/package.json b/sdc-workflow-designer-ui/package.json
index 2b8cf2b..4ee3d5e 100644
--- a/sdc-workflow-designer-ui/package.json
+++ b/sdc-workflow-designer-ui/package.json
@@ -27,6 +27,7 @@
     "font-awesome": "^4.7.0",
     "jsplumb": "2.5.0",
     "ngx-bootstrap": "^1.9.1",
+    "ngx-tree-select": "^0.11.1",
     "primeng": "^4.2.0-rc.1",
     "rxjs": "^5.4.2",
     "zone.js": "^0.8.14"