Use buck version of checkstyle rules in maven build

- build and package the checkstyle rules in the onos-build-conf artifact
- modify maven build to use new version of artifact
- fix checkstyle problems in maven-only code

Change-Id: I4e4dc890ca909e47463629c732a2fc5335bb4d2a
diff --git a/apps/kafka-integration/core/src/main/java/org/onosproject/kafkaintegration/converter/ConversionFactory.java b/apps/kafka-integration/core/src/main/java/org/onosproject/kafkaintegration/converter/ConversionFactory.java
index 6c06bec..d8cbccb 100644
--- a/apps/kafka-integration/core/src/main/java/org/onosproject/kafkaintegration/converter/ConversionFactory.java
+++ b/apps/kafka-integration/core/src/main/java/org/onosproject/kafkaintegration/converter/ConversionFactory.java
@@ -1,11 +1,12 @@
-/**
+/*
  * Copyright 2016-present Open Networking Laboratory
+ *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
  * You may obtain a copy of the License at
-
- * http://www.apache.org/licenses/LICENSE-2.0
-
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
  * 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.
diff --git a/apps/kafka-integration/core/src/main/java/org/onosproject/kafkaintegration/converter/DeviceEventConverter.java b/apps/kafka-integration/core/src/main/java/org/onosproject/kafkaintegration/converter/DeviceEventConverter.java
index b5bd01b..40c6561 100644
--- a/apps/kafka-integration/core/src/main/java/org/onosproject/kafkaintegration/converter/DeviceEventConverter.java
+++ b/apps/kafka-integration/core/src/main/java/org/onosproject/kafkaintegration/converter/DeviceEventConverter.java
@@ -1,11 +1,12 @@
-/**
+/*
  * Copyright 2016-present Open Networking Laboratory
+ *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
  * You may obtain a copy of the License at
-
- * http://www.apache.org/licenses/LICENSE-2.0
-
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
  * 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.
diff --git a/apps/kafka-integration/core/src/main/java/org/onosproject/kafkaintegration/converter/EventConverter.java b/apps/kafka-integration/core/src/main/java/org/onosproject/kafkaintegration/converter/EventConverter.java
index 83c62d6..b0b403f 100644
--- a/apps/kafka-integration/core/src/main/java/org/onosproject/kafkaintegration/converter/EventConverter.java
+++ b/apps/kafka-integration/core/src/main/java/org/onosproject/kafkaintegration/converter/EventConverter.java
@@ -1,11 +1,12 @@
-/**
+/*
  * Copyright 2016-present Open Networking Laboratory
+ *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
  * You may obtain a copy of the License at
-
- * http://www.apache.org/licenses/LICENSE-2.0
-
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
  * 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.
diff --git a/apps/kafka-integration/core/src/main/java/org/onosproject/kafkaintegration/converter/LinkEventConverter.java b/apps/kafka-integration/core/src/main/java/org/onosproject/kafkaintegration/converter/LinkEventConverter.java
index c2cf60d..fe18f42 100644
--- a/apps/kafka-integration/core/src/main/java/org/onosproject/kafkaintegration/converter/LinkEventConverter.java
+++ b/apps/kafka-integration/core/src/main/java/org/onosproject/kafkaintegration/converter/LinkEventConverter.java
@@ -1,11 +1,12 @@
-/**
+/*
  * Copyright 2016-present Open Networking Laboratory
+ *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
  * You may obtain a copy of the License at
-
- * http://www.apache.org/licenses/LICENSE-2.0
-
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
  * 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.
diff --git a/apps/kafka-integration/core/src/main/java/org/onosproject/kafkaintegration/converter/package-info.java b/apps/kafka-integration/core/src/main/java/org/onosproject/kafkaintegration/converter/package-info.java
index d33c0d7..7f4414a 100644
--- a/apps/kafka-integration/core/src/main/java/org/onosproject/kafkaintegration/converter/package-info.java
+++ b/apps/kafka-integration/core/src/main/java/org/onosproject/kafkaintegration/converter/package-info.java
@@ -1,15 +1,17 @@
-/**
- * Copyright 2016-present Open Networking Laboratory Licensed under the Apache
- * License, Version 2.0 (the "License"); you may not use this file except in
- * compliance with the License. You may obtain a copy of the License at
+/*
+ * Copyright 2016-present Open Networking Laboratory
  *
- * http://www.apache.org/licenses/LICENSE-2.0
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
  *
  * 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.
+ * 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.
  */
 
 /**