Update swagger annotation version in Java clients (#915)

* update swagger annotation version in java client

* add java retrofit2 play 2.6 to java petstore all bin script

* remove empty line in pom.xml

samples/client/petstore/java/feign/build.gradle

@@ -94,7 +94,7 @@ if(hasProperty('target') && target == 'android') {
 }
 
 ext {
-    swagger_annotations_version = "1.5.9"
+    swagger_annotations_version = "1.5.21"
     jackson_version = "2.8.7"
     threepane_version = "2.6.4"
     feign_version = "9.4.0"

samples/client/petstore/java/feign/build.sbt

@@ -9,7 +9,7 @@ lazy val root = (project in file(".")).
     publishArtifact in (Compile, packageDoc) := false,
     resolvers += Resolver.mavenLocal,
     libraryDependencies ++= Seq(
-      "io.swagger" % "swagger-annotations" % "1.5.9" % "compile",
+      "io.swagger" % "swagger-annotations" % "1.5.21" % "compile",
       "io.github.openfeign" % "feign-core" % "9.4.0" % "compile",
       "io.github.openfeign" % "feign-jackson" % "9.4.0" % "compile",
       "io.github.openfeign" % "feign-slf4j" % "9.4.0" % "compile",

samples/client/petstore/java/feign/pom.xml

@@ -114,8 +114,7 @@
                         </goals>
                         <configuration>
                             <sources>
-                                <source>
-                                src/main/java</source>
+                                <source>src/main/java</source>
                             </sources>
                         </configuration>
                     </execution>
@@ -127,8 +126,7 @@
                         </goals>
                         <configuration>
                             <sources>
-                                <source>
-                                src/test/java</source>
+                                <source>src/test/java</source>
                             </sources>
                         </configuration>
                     </execution>
@@ -191,7 +189,7 @@
         <dependency>
             <groupId>io.swagger</groupId>
             <artifactId>swagger-annotations</artifactId>
-            <version>${swagger-core-version}</version>
+            <version>${swagger-annotations-version}</version>
         </dependency>
 
         <!-- HTTP client: Netflix Feign -->
@@ -268,11 +266,11 @@
         <java.version>1.7</java.version>
         <maven.compiler.source>${java.version}</maven.compiler.source>
         <maven.compiler.target>${java.version}</maven.compiler.target>
-        <swagger-core-version>1.5.18</swagger-core-version>
+        <swagger-annotations-version>1.5.21</swagger-annotations-version>
         <feign-version>9.4.0</feign-version>
         <feign-form-version>2.1.0</feign-form-version>
         <jackson-version>2.8.9</jackson-version>
-            <jackson-threetenbp-version>2.6.4</jackson-threetenbp-version>
+        <jackson-threetenbp-version>2.6.4</jackson-threetenbp-version>
         <junit-version>4.12</junit-version>
         <maven-plugin-version>1.0.0</maven-plugin-version>
         <oltu-version>1.0.1</oltu-version>