Remove apollo-plugin Gradle plugin

Replaces the old Gradle plugin with plain Gradle buildscripts.  Also cleans-up
the current Gradle extensions and re-adds detekt, along with JUnit 5 support to
all modules.

game/plugin/skills/fishing/build.gradle

@@ -1,12 +1,13 @@
-plugin {
-    name = "fishing_skill"
-    authors = [
-        "Linux",
-        "Major",
-        "tlf30"
-    ]
-    dependencies = [
-        "api",
-        "entity:spawn",
-    ]
+apply plugin: 'kotlin'
+
+
+
+dependencies {
+    implementation project(':game')
+    implementation project(':cache')
+    implementation project(':net')
+    implementation project(':util')
+    implementation project(':game:plugin:api')
+    implementation project(':game:plugin:entity:spawn')
+    testImplementation project(':game:plugin-testing')
 }

game/plugin/skills/herblore/build.gradle

@@ -1,10 +1,10 @@
-plugin {
-    name = "herblore_skill"
-    authors = [
-        "Chivvon",
-        "Chris Fletcher",
-        "Major"
-    ]
+apply plugin: 'kotlin'
 
-    dependencies = ["api"]
+dependencies {
+    implementation project(':game')
+    implementation project(':cache')
+    implementation project(':net')
+    implementation project(':util')
+    implementation project(':game:plugin:api')
+    testImplementation project(':game:plugin-testing')
 }

game/plugin/skills/mining/build.gradle

@@ -1,14 +1,10 @@
-plugin {
-    name = "mining-skill"
-    authors = [
-            "Graham",
-            "Mikey`",
-            "Major",
-            "WH:II:DOW",
-            "Requa",
-            "Clifton",
-            "tlf30"
-    ]
+apply plugin: 'kotlin'
 
-    dependencies = ["api"]
-}
+dependencies {
+    implementation project(':game')
+    implementation project(':cache')
+    implementation project(':net')
+    implementation project(':util')
+    implementation project(':game:plugin:api')
+    testImplementation project(':game:plugin-testing')
+}

game/plugin/skills/prayer/build.gradle

@@ -1,11 +1,10 @@
-plugin {
-    name = "prayer_skill"
-    authors = [
-        "Major",
-        "010253",
-        "tlf30"
-    ]
-    dependencies = [
-        "api"
-    ]
+apply plugin: 'kotlin'
+
+dependencies {
+    implementation project(':game')
+    implementation project(':cache')
+    implementation project(':net')
+    implementation project(':util')
+    implementation project(':game:plugin:api')
+    testImplementation project(':game:plugin-testing')
 }

game/plugin/skills/runecrafting/build.gradle

@@ -1,12 +1,10 @@
-plugin {
-    name = "runecrafting-skill"
-    authors = [
-        "Major",
-        "BugCrusher",
-        "tlf30"
-    ]
+apply plugin: 'kotlin'
 
-    dependencies = [
-        "api"
-    ]
-}
+dependencies {
+    implementation project(':game')
+    implementation project(':cache')
+    implementation project(':net')
+    implementation project(':util')
+    implementation project(':game:plugin:api')
+    testImplementation project(':game:plugin-testing')
+}

game/plugin/skills/woodcutting/build.gradle

@@ -1,7 +1,10 @@
-plugin {
-    name = "woodcutting_skill"
-    authors = [
-        "tlf30"
-    ]
-    dependencies = ["api"]
-}
+apply plugin: 'kotlin'
+
+dependencies {
+    implementation project(':game')
+    implementation project(':cache')
+    implementation project(':net')
+    implementation project(':util')
+    implementation project(':game:plugin:api')
+    testImplementation project(':game:plugin-testing')
+}