Update TerminalConsoleAppender to 1.2.0

Add log4j.skipJansi to prevent Log4j from initializing a Jansi
terminal. It is redundant because this is handled by TCA and it
will be only active for a few seconds until TCA is loaded.

proxy/build.gradle

@@ -57,7 +57,7 @@ dependencies {
     compile "org.apache.logging.log4j:log4j-iostreams:${log4jVersion}"
 
     compile 'net.sf.jopt-simple:jopt-simple:5.0.4' // command-line options
-    compile 'net.minecrell:terminalconsoleappender:1.2.0-SNAPSHOT'
+    compile 'net.minecrell:terminalconsoleappender:1.2.0'
     runtime 'org.jline:jline-terminal-jansi:3.12.1' // Needed for JLine
     runtime 'com.lmax:disruptor:3.4.2' // Async loggers
 

proxy/src/main/resources/log4j2.component.properties

@@ -1 +1,2 @@
 log4j2.contextSelector=org.apache.logging.log4j.core.async.AsyncLoggerContextSelector
+log4j.skipJansi=true