Gave search a friendly URL (/search)

- and changed the property on the view model from Term to Query (sounds better and goes with the 'q' param)

--HG--
branch : dev

src/Orchard.Web/Modules/Orchard.Search/Orchard.Search.csproj

@@ -67,6 +67,7 @@
   <ItemGroup>
     <Compile Include="Controllers\SearchController.cs" />
     <Compile Include="Filters\SearchFilter.cs" />
+    <Compile Include="Routes.cs" />
     <Compile Include="Services\ISearchService.cs" />
     <Compile Include="Services\SearchService.cs" />
     <Compile Include="ViewModels\SearchResultViewModel.cs" />