Add Checkstyle NewlineAtEndOfFile

Author: AustinShalit

checkstyle.xml

@@ -34,7 +34,9 @@
 
     <module name="SuppressWarningsFilter"/>
 
-    <!--<module name="NewlineAtEndOfFile" />--> <!-- Screwed up on Appveyor for some reason -->
+    <module name="NewlineAtEndOfFile">
+        <property name="lineSeparator" value="lf"/>
+    </module>
 
     <module name="TreeWalker">
         <module name="SuppressWarningsHolder"/>

core/src/main/java/edu/wpi/grip/core/Main.java

@@ -96,4 +96,4 @@ public final void onExceptionClearedEvent(ExceptionClearedEvent event) {
         + "Event");
   }
 
-}
+}

core/src/main/java/edu/wpi/grip/core/operations/Operations.java

@@ -202,4 +202,4 @@ public void addOperations() {
         .map(OperationAddedEvent::new)
         .forEach(eventBus::post);
   }
-}
+}

core/src/main/java/edu/wpi/grip/core/operations/network/http/HttpPublishOperation.java

@@ -49,4 +49,4 @@ public static OperationDescription descriptionFor(Class<?> dataType) {
         .category(OperationDescription.Category.NETWORK)
         .build();
   }
-}
+}

core/src/main/java/edu/wpi/grip/core/sources/HttpImageHandler.java

@@ -124,4 +124,4 @@ public void addCallback(Consumer<Mat> callback) {
   public void removeCallback(@Nullable Consumer<Mat> callback) {
     callbacks.remove(callback);
   }
-}
+}

core/src/main/java/edu/wpi/grip/core/sources/HttpSource.java

@@ -145,4 +145,4 @@ public void onSourceRemovedEvent(SourceRemovedEvent event) {
     }
   }
 
-}
+}

core/src/test/java/edu/wpi/grip/core/operations/network/http/HttpPublisherTest.java

@@ -179,4 +179,4 @@ private HttpResponse doPost(String path) throws IOException {
     return client.execute(post);
   }
 
-}
+}

ui/src/main/java/edu/wpi/grip/ui/Main.java

@@ -186,4 +186,4 @@ public final void onUnexpectedThrowableEvent(UnexpectedThrowableEvent event) {
       }
     });
   }
-}
+}