Small fix and 0.7.6 release

Small error occurred while testing for release, it has been fixed as part of this pull.

core/src/main/java/org/eclipsefoundation/core/resource/CacheResource.java

@@ -46,7 +46,7 @@ public class CacheResource {
     InstanceCacheResourceKey key;
 
     // Qute templates, generates cache key interface
-    @Location("cache_keys")
+    @Location("cache_keys.html")
     Template cacheKeysView;
 
     @Inject