Added Gradle + removed IDEA files.

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.idea/compiler.xml

@@ -1,13 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project version="4">
   <component name="CompilerConfiguration">
-    <annotationProcessing>
-      <profile name="Maven default annotation processors profile" enabled="true">
-        <sourceOutputDir name="target/generated-sources/annotations" />
-        <sourceTestOutputDir name="target/generated-test-sources/test-annotations" />
-        <outputRelativeToContentRoot value="true" />
-        <module name="Terra" />
-      </profile>
-    </annotationProcessing>
+    <bytecodeTargetLevel target="1.8" />
   </component>
 </project>

.idea/gradle.xml

@@ -0,0 +1,18 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="GradleMigrationSettings" migrationVersion="1" />
+  <component name="GradleSettings">
+    <option name="linkedExternalProjectsSettings">
+      <GradleProjectSettings>
+        <option name="distributionType" value="DEFAULT_WRAPPED" />
+        <option name="externalProjectPath" value="$PROJECT_DIR$" />
+        <option name="gradleHome" value="/usr/share/java/gradle" />
+        <option name="modules">
+          <set>
+            <option value="$PROJECT_DIR$" />
+          </set>
+        </option>
+      </GradleProjectSettings>
+    </option>
+  </component>
+</project>

.idea/jarRepositories.xml

@@ -1,6 +1,11 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project version="4">
   <component name="RemoteRepositoriesConfiguration">
+    <remote-repository>
+      <option name="id" value="BintrayJCenter" />
+      <option name="name" value="BintrayJCenter" />
+      <option name="url" value="https://jcenter.bintray.com/" />
+    </remote-repository>
     <remote-repository>
       <option name="id" value="central" />
       <option name="name" value="Central Repository" />
@@ -11,16 +16,16 @@
       <option name="name" value="papermc" />
       <option name="url" value="https://papermc.io/repo/repository/maven-public/" />
     </remote-repository>
-    <remote-repository>
-      <option name="id" value="parsii.local" />
-      <option name="name" value="parsii" />
-      <option name="url" value="file:$PROJECT_DIR$/../parsii/repo" />
-    </remote-repository>
     <remote-repository>
       <option name="id" value="central" />
       <option name="name" value="Maven Central repository" />
       <option name="url" value="https://repo1.maven.org/maven2" />
     </remote-repository>
+    <remote-repository>
+      <option name="id" value="parsii.local" />
+      <option name="name" value="parsii" />
+      <option name="url" value="file:$PROJECT_DIR$/../parsii/repo" />
+    </remote-repository>
     <remote-repository>
       <option name="id" value="local" />
       <option name="name" value="local" />

.idea/misc.xml

@@ -1,6 +1,14 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project version="4">
+  <component name="EntryPointsManager">
+    <list size="1">
+      <item index="0" class="java.lang.String" itemvalue="org.bukkit.event.EventHandler" />
+    </list>
+  </component>
   <component name="ExternalStorageConfigurationManager" enabled="true" />
+  <component name="FrameworkDetectionExcludesConfiguration">
+    <file type="web" url="file://$PROJECT_DIR$" />
+  </component>
   <component name="MavenProjectsManager">
     <option name="originalFiles">
       <list>
@@ -8,7 +16,7 @@
       </list>
     </option>
   </component>
-  <component name="ProjectRootManager" version="2" languageLevel="JDK_1_8" project-jdk-name="adopt-openjdk-1.8" project-jdk-type="JavaSDK">
+  <component name="ProjectRootManager" version="2" languageLevel="JDK_1_8" default="true" project-jdk-name="8" project-jdk-type="JavaSDK">
     <output url="file://$PROJECT_DIR$/out" />
   </component>
 </project>