Update minimum supported JDK to 8

Author: tbroyer

pom.xml

@@ -65,7 +65,7 @@
 
   <properties>
     <mavenVersion>3.3.1</mavenVersion>
-    <targetJdk>7</targetJdk>
+    <targetJdk>8</targetJdk>
 
     <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
     <project.build.outputEncoding>UTF-8</project.build.outputEncoding>

src/it/e2e/pom.xml

@@ -59,8 +59,8 @@
           <artifactId>maven-compiler-plugin</artifactId>
           <version>3.10.1</version>
           <configuration>
-            <source>1.7</source>
-            <target>1.7</target>
+            <source>8</source>
+            <target>8</target>
             <annotationProcessorPaths>
               <path>
                 <groupId>com.google.auto.value</groupId>

src/it/forceCompilation/pom.xml

@@ -51,8 +51,8 @@
           <artifactId>maven-compiler-plugin</artifactId>
           <version>3.10.1</version>
           <configuration>
-            <source>1.7</source>
-            <target>1.7</target>
+            <source>8</source>
+            <target>8</target>
           </configuration>
         </plugin>
       </plugins>

src/it/gwt-app/pom.xml

@@ -69,8 +69,8 @@
           <artifactId>maven-compiler-plugin</artifactId>
           <version>3.10.1</version>
           <configuration>
-            <source>1.7</source>
-            <target>1.7</target>
+            <source>8</source>
+            <target>8</target>
             <annotationProcessorPaths>
               <path>
                 <groupId>com.google.auto.value</groupId>

src/it/gwt-lib/pom.xml

@@ -66,8 +66,8 @@
           <artifactId>maven-compiler-plugin</artifactId>
           <version>3.10.1</version>
           <configuration>
-            <source>1.7</source>
-            <target>1.7</target>
+            <source>8</source>
+            <target>8</target>
             <annotationProcessorPaths>
               <path>
                 <groupId>com.google.auto.value</groupId>

src/it/skipCompilation/pom.xml

@@ -49,8 +49,8 @@
           <artifactId>maven-compiler-plugin</artifactId>
           <version>3.10.1</version>
           <configuration>
-            <source>1.7</source>
-            <target>1.7</target>
+            <source>8</source>
+            <target>8</target>
           </configuration>
         </plugin>
       </plugins>

src/it/staleness-check-2/pom.xml

@@ -66,8 +66,8 @@
           <artifactId>maven-compiler-plugin</artifactId>
           <version>3.10.1</version>
           <configuration>
-            <source>1.7</source>
-            <target>1.7</target>
+            <source>8</source>
+            <target>8</target>
           </configuration>
         </plugin>
       </plugins>

src/it/staleness-check/pom.xml

@@ -50,8 +50,8 @@
           <artifactId>maven-compiler-plugin</artifactId>
           <version>3.10.1</version>
           <configuration>
-            <source>1.7</source>
-            <target>1.7</target>
+            <source>8</source>
+            <target>8</target>
           </configuration>
         </plugin>
       </plugins>