Add basic main structure for policy-api

Define main pom xml and update to include main.
Add the main exception parameters rest
startstop classes. Add test cases. Modify comments

Issue-ID: POLICY-1066
Change-Id: I2e878a58eef4f021e3a9a991738194127edf4d16
Signed-off-by: krisjinka <kris.jinka@samsung.com>
Signed-off-by: krishnajinka <kris.jinka@samsung.com>
diff --git a/main/pom.xml b/main/pom.xml
new file mode 100644
index 0000000..c0a7590
--- /dev/null
+++ b/main/pom.xml
@@ -0,0 +1,86 @@
+<!--
+  ============LICENSE_START=======================================================
+   Copyright (C) 2018 Ericsson. All rights reserved.
+   Modified Copyright (C) 2018 Samsung Electronics Co., Ltd.
+  ================================================================================
+  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.
+
+  SPDX-License-Identifier: Apache-2.0
+  ============LICENSE_END=========================================================
+-->
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+    <parent>
+        <groupId>org.onap.policy.api</groupId>
+        <artifactId>policy-api</artifactId>
+        <version>2.0.0-SNAPSHOT</version>
+    </parent>
+
+    <artifactId>main</artifactId>
+
+    <name>${project.artifactId}</name>
+    <description>The main module of Policy Api that handles startup, lifecycle management, and parameters.</description>
+
+    <dependencies>
+        <dependency>
+            <groupId>org.onap.policy.common</groupId>
+            <artifactId>capabilities</artifactId>
+            <version>${policy.common.version}</version>
+        </dependency>
+        <dependency>
+            <groupId>org.onap.policy.common</groupId>
+            <artifactId>policy-endpoints</artifactId>
+            <version>${policy.common.version}</version>
+        </dependency>
+        <dependency>
+            <groupId>commons-cli</groupId>
+            <artifactId>commons-cli</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>com.google.code.gson</groupId>
+            <artifactId>gson</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>org.onap.policy.common</groupId>
+            <artifactId>common-parameters</artifactId>
+            <version>${policy.common.version}</version>
+        </dependency>
+        <dependency>
+            <groupId>org.onap.policy.common</groupId>
+            <artifactId>ONAP-Logging</artifactId>
+            <version>${policy.common.version}</version>
+        </dependency>
+    </dependencies>
+
+    <build>
+        <resources>
+            <!-- Output the version of the api service -->
+            <resource>
+                <directory>src/main/resources</directory>
+                <filtering>true</filtering>
+                <includes>
+                    <include>**/version.txt</include>
+                </includes>
+            </resource>
+            <resource>
+                <directory>src/main/resources</directory>
+                <filtering>false</filtering>
+                <excludes>
+                    <exclude>**/version.txt</exclude>
+                </excludes>
+            </resource>
+        </resources>
+    </build>
+
+</project>