Update .gitignore with license text

Update .gitignore with license text
Remove IDE generated files from repository
Update .gitignore to ignore IDE Generated files

Issue-ID: APPC-637
Change-Id: Ie650e2c6d46d55d06dcc54877533cb3e14be66d6
Signed-off-by: Skip Wonnell <skip@att.com>
diff --git a/appc-adapters/appc-rest-healthcheck-adapter/appc-rest-healthcheck-adapter-features/.gitignore b/appc-adapters/appc-rest-healthcheck-adapter/appc-rest-healthcheck-adapter-features/.gitignore
index 615a76b..8820cee 100644
--- a/appc-adapters/appc-rest-healthcheck-adapter/appc-rest-healthcheck-adapter-features/.gitignore
+++ b/appc-adapters/appc-rest-healthcheck-adapter/appc-rest-healthcheck-adapter-features/.gitignore
@@ -1,4 +1,26 @@
+# ============LICENSE_START==========================================
+# ONAP : APPC
+# ===================================================================
+# Copyright (C) 2017-2018 AT&T Intellectual Property. All rights reserved.
+# ===================================================================
+#
+# Unless otherwise specified, all software contained herein is licensed
+# under the Apache License, Version 2.0 (the License);
+# you may not use this software 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.
+#
+# ECOMP is a trademark and service mark of AT&T Intellectual Property.
+# ============LICENSE_END============================================
 /target/
+/target-ide/
 /bin/
 /classes/
 /.settings/