Add radspec and fix updateWidget

- Added more detailed radspec to addWidget & updateWidget
- Used links to IPFS for radspec
- Commented saveWidget code so updateWidget works

app/src/components/panel/PanelContent.js

@@ -24,7 +24,8 @@ const PanelContent = ({
   closePanel,
   ipfsAddr,
   position,
-  saveWidget,
+  //   Widget re-ordering currently disabled
+  // saveWidget,
 }) => {
   const [unsavedText, setUnsavedText] = useState(content)
   const [screenIndex, setScreenIndex] = useState(0)
@@ -66,7 +67,8 @@ const PanelContent = ({
       }
     }
   }, [savedIpfsAddr, savePending])
-
+  /*
+  Widget re-ordering currently disabled
   useEffect(() => {
     if (ipfsAddr && savePending) {
       saveWidget(ipfsAddr, 0).subscribe(
@@ -82,7 +84,7 @@ const PanelContent = ({
     }
     setUnsavedText(content)
   }, [content, savedIpfsAddr, savePending])
-
+  */
   const handleChange = _screenIndex => {
     setScreenIndex(_screenIndex)
   }

contracts/HomePage.sol

@@ -40,7 +40,7 @@ contract HomePage is AragonApp {
     }
 
     /**
-     * @notice Add a widget's IPFS hash to the registry
+     * @notice Add a widget to the registry https://ipfs.infura.io/ipfs/`_addr`
      * @param _addr IPFS hash of the widget's data
      */
     function addWidget(string _addr) external auth(ADD_ROLE) {
@@ -49,7 +49,7 @@ contract HomePage is AragonApp {
     }
 
     /**
-     * @notice Update a widget's IPFS hash
+     * @notice Update widget `_priority` to https://ipfs.infura.io/ipfs/`_addr`
      * @param _priority Index of the widget
      * @param _addr IPFS hash of the widget's data
      */