Merge pull request #479 from sleekbyte/at-478-update-dependencies

#478: Update dependencies

build.gradle

@@ -253,18 +253,18 @@ repositories {
 }
 
 dependencies {
-    antlr 'org.antlr:antlr4:4.5.3'
-    genCompileOnly 'org.antlr:antlr4-runtime:4.5.3'
+    antlr 'org.antlr:antlr4:4.6'
+    genCompileOnly 'org.antlr:antlr4-runtime:4.6'
     // Ensure ANTLR output is compiled before main sourceSet
     compile sourceSets.gen.output
-    compile 'commons-cli:commons-cli:1.3.1'
-    compile 'org.antlr:antlr4-runtime:4.5.3'
-    compile 'org.fusesource.jansi:jansi:1.14'
-    compile 'org.yaml:snakeyaml:1.17'
+    compile 'commons-cli:commons-cli:1.4'
+    compile 'org.antlr:antlr4-runtime:4.6'
+    compile 'org.fusesource.jansi:jansi:1.15'
+    compile 'org.yaml:snakeyaml:1.18'
     compile 'com.google.code.gson:gson:2.8.0'
     compile 'com.github.spullara.mustache.java:compiler:0.9.4'
     testCompile 'junit:junit:4.12'
     testCompile 'org.hamcrest:hamcrest-all:1.3'
-    testCompile 'org.mockito:mockito-core:2.2.21'
+    testCompile 'org.mockito:mockito-core:2.7.18'
     testCompile 'com.github.stefanbirkner:system-rules:1.16.1'
 }