add clean task to individual projects

bukkit/build.gradle

@@ -34,6 +34,8 @@ dependencies {
     compile 'org.inventivetalent:mapmanager:1.4.0-SNAPSHOT'
 }
 
+clean { delete "target" }
+
 processResources {
     from('src/main/resources') {
         include 'plugin.yml'

favs/build.gradle

@@ -2,6 +2,8 @@ dependencies {
     compile project(':bukkit')
 }
 
+clean { delete "target" }
+
 processResources {
     from('src/main/resources') {
         include 'plugin.yml'

forge110/build.gradle

@@ -15,6 +15,8 @@ buildscript {
 apply plugin: 'net.minecraftforge.gradle.forge'
 apply plugin: 'com.github.johnrengelman.shadow'
 
+clean { delete "target" }
+
 dependencies {
     compile project(':core')
     compile 'org.spongepowered:spongeapi:4.+'

forge111/build.gradle

@@ -15,6 +15,8 @@ buildscript {
 apply plugin: 'net.minecraftforge.gradle.forge'
 apply plugin: 'com.github.johnrengelman.shadow'
 
+clean { delete "target" }
+
 dependencies {
     compile project(':core')
     compile 'org.spongepowered:spongeapi:3.1.0-SNAPSHOT'

forge112/build.gradle

@@ -15,6 +15,8 @@ buildscript {
 apply plugin: 'net.minecraftforge.gradle.forge'
 apply plugin: 'com.github.johnrengelman.shadow'
 
+clean { delete "target" }
+
 dependencies {
     compile project(':core')
     compile 'org.spongepowered:spongeapi:6.0.0-SNAPSHOT'

forge1710/build.gradle

@@ -15,6 +15,8 @@ buildscript {
 apply plugin: 'forge'
 apply plugin: 'com.github.johnrengelman.shadow'
 
+clean { delete "target" }
+
 dependencies {
     compile project(':core')
     compile 'com.sk89q.worldedit:worldedit-forge-mc1.7.10:6.1.1-20151030.011615-19'

forge189/build.gradle

@@ -15,6 +15,8 @@ buildscript {
 apply plugin: 'net.minecraftforge.gradle.forge'
 apply plugin: 'com.github.johnrengelman.shadow'
 
+clean { delete "target" }
+
 dependencies {
     compile project(':core')
     compile 'org.spongepowered:spongeapi:4.+'

forge194/build.gradle

@@ -15,6 +15,8 @@ buildscript {
 apply plugin: 'net.minecraftforge.gradle.forge'
 apply plugin: 'com.github.johnrengelman.shadow'
 
+clean { delete "target" }
+
 dependencies {
     compile project(':core')
     compile 'com.sk89q.worldedit:worldedit-forge-mc1.8.9:6.1.1'

nukkit/build.gradle

@@ -2,6 +2,9 @@ repositories {
     flatDir {dirs 'lib'}
 //    maven {url "https://repo.potestas.xyz/main/"}
 }
+
+clean { delete "target" }
+
 dependencies {
     compile project(':core')
 //    compile 'cn.nukkit:nukkit:1.0-SNAPSHOT'

sponge111/build.gradle

@@ -31,6 +31,8 @@ apply plugin: 'com.github.johnrengelman.shadow'
 sourceCompatibility = 1.8
 targetCompatibility = 1.8
 
+clean { delete "target" }
+
 repositories {
     flatDir {dirs 'lib'}
     maven {

sponge112/build.gradle

@@ -24,6 +24,8 @@ apply plugin: 'com.github.johnrengelman.shadow'
 sourceCompatibility = 1.8
 targetCompatibility = 1.8
 
+clean { delete "target" }
+
 repositories {
     flatDir {dirs 'lib'}
     maven {