Drop support for Java 7

Author: nygrenh

.travis.yml

@@ -35,8 +35,6 @@ os:
   - osx
 jdk:
   - oraclejdk8
-  - oraclejdk7
-  - openjdk7
 matrix:
   allow_failures:
   - os: osx

pom.xml

@@ -16,8 +16,8 @@
 
     <properties>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-        <maven.compiler.source>1.7</maven.compiler.source>
-        <maven.compiler.target>1.7</maven.compiler.target>
+        <maven.compiler.source>1.8</maven.compiler.source>
+        <maven.compiler.target>1.8</maven.compiler.target>
     </properties>
 
     <repositories>
@@ -198,8 +198,8 @@
                 <configuration>
                     <compilerId>javac-with-errorprone</compilerId>
                     <forceJavacCompilerUse>true</forceJavacCompilerUse>
-                    <source>1.7</source>
-                    <target>1.7</target>
+                    <source>${maven.compiler.source}</source>
+                    <target>${maven.compiler.source}</target>
                 </configuration>
                 <dependencies>
                     <dependency>

tmc-langs-java/pom.xml

@@ -9,8 +9,6 @@
 
     <properties>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-        <maven.compiler.source>1.7</maven.compiler.source>
-        <maven.compiler.target>1.7</maven.compiler.target>
         <tmc.basedir>../target</tmc.basedir>
     </properties>
 

tmc-langs-make/pom.xml

@@ -9,8 +9,6 @@
 
     <properties>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-        <maven.compiler.source>1.7</maven.compiler.source>
-        <maven.compiler.target>1.7</maven.compiler.target>
         <tmc.basedir>../target</tmc.basedir>
     </properties>
 

tmc-langs-notests/pom.xml

@@ -9,8 +9,6 @@
 
     <properties>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-        <maven.compiler.source>1.7</maven.compiler.source>
-        <maven.compiler.target>1.7</maven.compiler.target>
         <tmc.basedir>../target</tmc.basedir>
     </properties>
 

tmc-langs-python3/pom.xml

@@ -9,8 +9,6 @@
 
     <properties>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-        <maven.compiler.source>1.7</maven.compiler.source>
-        <maven.compiler.target>1.7</maven.compiler.target>
         <tmc.basedir>../target</tmc.basedir>
     </properties>
 

tmc-langs-rust/pom.xml

@@ -5,8 +5,6 @@
 
     <properties>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-        <maven.compiler.source>1.7</maven.compiler.source>
-        <maven.compiler.target>1.7</maven.compiler.target>
         <tmc.basedir>../target</tmc.basedir>
     </properties>