switch to recent Forge and Kotlin versions

build.gradle

@@ -2,11 +2,11 @@ apply plugin: "net.minecraftforge.gradle.forge"
 apply plugin: 'kotlin'
 
 group = 'com.github.octarine-noise'
-version = "2.1.0"
-archivesBaseName = rootProject.name + '-MC1.10'
+version = "2.1.1"
+archivesBaseName = rootProject.name + '-MC1.10.2'
 
 buildscript {
-    ext.kotlin_version = '1.0.2'
+    ext.kotlin_version = '1.0.3'
     repositories {
         mavenCentral()
         maven {
@@ -32,8 +32,8 @@ dependencies {
     shade "org.jetbrains.kotlin:kotlin-reflect:$kotlin_version"
 }
 minecraft {
-    version = '1.10-12.18.0.2000-1.10.0'
-    mappings = 'snapshot_20160627'
+    version = '1.10.2-12.18.1.2075'
+    mappings = 'snapshot_20160905'
     runDir = 'run'
 }
 

src/main/kotlin/mods/octarinecore/client/render/OffsetBlockAccess.kt

@@ -18,7 +18,6 @@ class OffsetBlockAccess(val original: IBlockAccess, val modded: BlockPos, val ta
     inline fun actualPos(pos: BlockPos?) =
         if (pos != null && pos.x == modded.x && pos.y == modded.y && pos.z == modded.z) target else pos
 
-    override fun extendedLevelsInChunkCache() = original.extendedLevelsInChunkCache()
     override fun getBiome(pos: BlockPos?) = original.getBiome(actualPos(pos))
     override fun getBlockState(pos: BlockPos?) = original.getBlockState(actualPos(pos))
     override fun getCombinedLight(pos: BlockPos?, lightValue: Int) = original.getCombinedLight(actualPos(pos), lightValue)