Update Apache License file

Changed the name of the file to correct error.

Author: Alan-R

APACHE-LICENSE LICENSE-APACHEAPACHE-LICENSE renamed to LICENSE-APACHE

@@ -10,4 +10,4 @@ Unless required by applicable law or agreed to in writing, software
 distributed under the License is distributed on an "AS IS" BASIS,
 WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 See the License for the specific language governing permissions and
-limitations under the License.
+limitations under the License.