Prepare gradle build for migration to another CI

build.gradle

@@ -10,7 +10,7 @@ apply plugin: 'idea'
 
 idea {
 	project {
-		languageLevel = 'JDK_1_7'
+		languageLevel = 'JDK_1_8'
 	}
 }
 

buildSrc/build.gradle

@@ -3,16 +3,6 @@ apply plugin: 'groovy'
 repositories {
 	//mavenLocal()
 	mavenCentral()
-	maven {
-		url 'http://nexus.rehlds.org/nexus/content/repositories/regamedll-releases/'
-	}
-	maven {
-		url 'http://nexus.rehlds.org/nexus/content/repositories/regamedll-snapshots/'
-	}
-	maven {
-		url 'http://nexus.rehlds.org/nexus/content/repositories/regamedll-dev/'
-	}
-
 }
 
 dependencies {
@@ -22,12 +12,6 @@ dependencies {
 	compile 'commons-lang:commons-lang:2.6'
 	compile 'joda-time:joda-time:2.7'
 
-	compile 'org.doomedsociety.gradlecpp:gradle-cpp-plugin:1.2'
 	compile 'org.eclipse.jgit:org.eclipse.jgit:3.7.0.201502260915-r'
-
-	compile 'org.apache.commons:commons-compress:1.9'
-	compile 'org.apache.ant:ant-compress:1.2'
-	compile 'org.apache.ant:ant:1.9.6'
-
 	compile 'org.apache.velocity:velocity:1.7'
 }