Downgrade com.jbeust:jcommander:1.80 -> 1.78

Version 1.80 is not uploaded in Maven Central, I should not have merged the upgrade.

Author: martijndwars

build.gradle

@@ -21,7 +21,7 @@ repositories {
 
 dependencies {
     // For CLI
-    compile group: 'com.beust', name: 'jcommander', version: '1.80'
+    compile group: 'com.beust', name: 'jcommander', version: '1.78'
 
     // For making HTTP requests
     compile group: 'org.apache.httpcomponents', name: 'httpasyncclient', version: '4.1.4'