Switch to 1.12.2

Author: CovertJaguar

build.gradle

@@ -20,15 +20,15 @@ compileJava {
 }
 
 minecraft {
-    version = "1.12-14.21.1.2387"
+    version = "1.12.2-14.23.4.2758"
     runDir = "run"
 
     // the mappings can be changed at any time, and must be in the following format.
     // snapshot_YYYYMMDD   snapshot are built nightly.
     // stable_#            stables are built at the discretion of the MCP team.
     // Use non-default mappings at your own risk. they may not always work.
     // simply re-run your setup task after changing the mappings to update your workspace.
-    mappings = "snapshot_20170628"
+    mappings = "stable_39"
     replace '@VERSION@', project.version
     makeObfSourceJar = false // an Srg named sources jar is made by default. uncomment this to disable.
 }

gradle/wrapper/gradle-wrapper.properties

@@ -1,6 +1,6 @@
-#Wed Apr 05 06:10:52 PDT 2017
+#Mon Aug 27 13:17:12 PDT 2018
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-3.3-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-3.3-all.zip