[#70] Drop support for Java 7

Released binary artifacts require at least Java 8.

CHANGELOG.md

@@ -5,9 +5,12 @@
  - Support for test plugin selection in PIT (e.g. JUnit 5) - #76 - PR by [Christoph Sturm](https://github.com/christophsturm)
  - Support for excludedTestClasses parameter in PIT - #75
  - PIT 1.3.1 by default
+ - Drop Java 7 support - #70  
  - Basic Java 9 compatibility verified with CI build (preliminary support for Java 9 has been available since PIT 1.2.3) - #68
  - Switch build to Gradle 4.5
 
+**Breaking change**. Starting with 1.3.0 binary artifacts require at least Java in version 8. 
+
 ## 1.2.4 - 2017-11-14
 
  - Make dependency exclusion on classpath configurable - #53

appveyor.yml

@@ -15,8 +15,6 @@ test_script:
 
 environment:
   matrix:
-  - JAVA_HOME: C:\Program Files\Java\jdk1.7.0
-    PITEST_REGRESSION_TESTS: latestOnly
   - JAVA_HOME: C:\Program Files\Java\jdk1.8.0
     #Regression tests with different Gradle versions only on JDK 8
     PITEST_REGRESSION_TESTS: quick

build.gradle

@@ -1,5 +1,4 @@
 apply plugin: 'groovy'
-apply plugin: 'ru.vyarus.animalsniffer'
 apply from: "$rootDir/gradle/cdeliveryboy-release.gradle"
 
 buildscript {
@@ -13,12 +12,11 @@ buildscript {
     }
     dependencies {
         classpath 'info.solidsoft.gradle:cdeliveryboy:0.8.0'
-        classpath 'ru.vyarus:gradle-animalsniffer-plugin:1.4.3'
         classpath 'com.gradle.publish:plugin-publish-plugin:0.9.9'
     }
 }
 
-sourceCompatibility = 1.7
+sourceCompatibility = 1.8
 
 repositories {
     mavenCentral()
@@ -51,7 +49,6 @@ dependencies {
     funcTestCompile('com.netflix.nebula:nebula-test:6.2.0') {
         exclude group: 'org.codehaus.groovy', module: 'groovy-all'
     }
-    signature 'org.codehaus.mojo.signature:java17:1.0@signature'
 }
 
 task funcTest(type: Test) {
@@ -70,12 +67,3 @@ task testReport(type: TestReport) {
     destinationDir = file("$buildDir/reports/allTests")
     reportOn test, funcTest
 }
-
-animalsniffer {
-    sourceSets = [project.sourceSets.main]  //just for production classes - Animal Sniffer fails with: 'Undefined reference: void for Spock tests'
-                                            //https://github.com/mojohaus/animal-sniffer/issues/27
-}
-
-tasks.withType(ru.vyarus.gradle.plugin.animalsniffer.AnimalSniffer) {
-    onlyIf { project.hasProperty('compatibility') }
-}