refactor(Resolvable): replace single char variable name

Author: christopherthielen

src/resolve/resolvable.ts

@@ -111,8 +111,8 @@ export class Resolvable implements ResolvableLiteral {
 
     // Gets all dependencies from ResolveContext and wait for them to be resolved
     const getResolvableDependencies = () =>
-        $q.all(resolveContext.getDependencies(this).map(r =>
-            r.get(resolveContext, trans))) as Promise<any[]>;
+        $q.all(resolveContext.getDependencies(this).map(resolvable =>
+            resolvable.get(resolveContext, trans))) as Promise<any[]>;
 
     // Invokes the resolve function passing the resolved dependencies as arguments
     const invokeResolveFn = (resolvedDeps: any[]) =>