fix linking bug (#583)

src/components/NavigationTabs/index.js

@@ -26,7 +26,7 @@ const tabOrder = [
     regex: /\/send/
   },
   {
-    path: 'add-liquidity',
+    path: '/add-liquidity',
     textKey: 'pool',
     regex: /\/add-liquidity|\/remove-liquidity|\/create-exchange.*/
   }

src/pages/App.js

@@ -88,7 +88,7 @@ export default function App() {
                         exact
                         strict
                         path="/send/:tokenAddress?"
-                        render={({ match, location }) => {
+                        render={({ match }) => {
                           if (isAddress(match.params.tokenAddress)) {
                             return <Send initialCurrency={isAddress(match.params.tokenAddress)} params={params} />
                           } else {