added sysprog entities

SYSPROG/APPROW/SYSENV%003ALAYOUT_CFG_DROPBOX.json

@@ -0,0 +1,21 @@
+{
+    "header": {
+        "version": 1,
+        "type": "record",
+        "approw-key": "LAYOUT_CFG_DROPBOX"
+    },
+    "body": {
+        "record1": {
+            "<1>": "Configure O4W \"upload to dropbox\" functionality",
+            "<2>": {
+                "<2,1>": "If desired, O4W can be configured to allow a file upload (via the O4WUPLOADBOX control) to a dropbox account.",
+                "<2,2>": "This functionality can work in addition to, or instead of, the normal O4W file upload process."
+            },
+            "<3>": "DropBox URL to request an upload link ",
+            "<4>": "DropBox Authentication Key used to request the temporary upload link",
+            "<5>": "Optional Duration for link to remain valid (in seconds)",
+            "<6>": "Optional DropBox path and/or filename to upload to",
+            "<7>": "Optional list of valid extensions for file upload (comma-delimited)"
+        }
+    }
+}