Added Gradle building and fixed comments

Author: PseudoResonance

build.gradle

@@ -0,0 +1,86 @@
+plugins {
+    id "java"
+    id "edu.wpi.first.GradleRIO" version "2019.1.1"
+    id "maven-publish"
+}
+
+// Set this to true to enable desktop support.
+def includeDesktopSupport = false
+
+// Maven central needed for JUnit
+repositories {
+    mavenCentral()
+}
+
+javadoc {
+    source = sourceSets.main.allJava
+    classpath = configurations.compile
+}
+
+// Defining my dependencies. In this case, WPILib (+ friends), and vendor libraries.
+// Also defines JUnit 4.
+dependencies {
+    implementation wpi.deps.wpilib()
+    implementation wpi.deps.vendor.java()
+    testImplementation 'junit:junit:4.12'
+}
+
+ext {
+    jarToPublish = file( 'pixy2-java-api.jar' )
+}
+
+jar {
+	baseName 'pixy2-java-api'
+}
+
+task sourceJar(type: Jar, dependsOn: classes) {
+    classifier 'sources'
+    from sourceSets.main.allSource
+}
+ 
+task javadocJar(type: Jar, dependsOn: javadoc) {
+    classifier = 'javadoc'
+    from javadoc.destinationDir
+}
+
+publishing {
+    publications {
+        mavenJava(MavenPublication) {
+       	 	from components.java
+        	artifact sourceJar
+            artifact javadocJar
+        	groupId = 'pw.otake.pseudoresonance'
+            artifactId = 'pixy2-java-api'
+            version = '1.0'
+            pom {
+                name = 'Pixy2JavaAPI'
+                description = 'Java port of Pixy2 API for FIRST Robotics'
+                url = 'https://github.com/PseudoResonance/Pixy2JavaAPI/'
+                licenses {
+                    license {
+                        name = 'GNU General Public License, version 2'
+                        url = 'http://www.gnu.org/licenses/gpl-2.0.html'
+                    }
+                }
+                developers {
+                    developer {
+                        id = 'PseudoResonance'
+                        name = 'PseudoResonance'
+                        email = 'kaio11602@gmail.com'
+                    }
+                }
+            }
+        }
+    }
+    repositories {
+        maven {
+       	 	def releasesRepoUrl = "http://192.168.1.15:8081/repository/maven-releases/"
+            def snapshotsRepoUrl = "http://192.168.1.15:8081/repository/maven-snapshots/"
+            url = version.endsWith('SNAPSHOT') ? snapshotsRepoUrl : releasesRepoUrl
+            credentials {
+                username = project.hasProperty('nexus_username') ? nexus_username : ''
+                password = project.hasProperty('nexus_password') ? nexus_password : ''
+            }
+        }
+    }
+}

gradle/wrapper/gradle-wrapper.jar

@@ -0,0 +1,5 @@
+distributionBase=GRADLE_USER_HOME
+distributionPath=permwrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-5.0-bin.zip
+zipStoreBase=GRADLE_USER_HOME
+zipStorePath=permwrapper/dists

gradle/wrapper/gradle-wrapper.properties

@@ -0,0 +1,25 @@
+import org.gradle.internal.os.OperatingSystem
+
+pluginManagement {
+    repositories {
+        mavenLocal()
+        gradlePluginPortal()
+        String frcYear = '2019'
+        File frcHome
+        if (OperatingSystem.current().isWindows()) {
+            String publicFolder = System.getenv('PUBLIC')
+            if (publicFolder == null) {
+                publicFolder = "C:\\Users\\Public"
+            }
+            frcHome = new File(publicFolder, "frc${frcYear}")
+        } else {
+            def userFolder = System.getProperty("user.home")
+            frcHome = new File(userFolder, "frc${frcYear}")
+        }
+        def frcHomeMaven = new File(frcHome, 'maven')
+        maven {
+            name 'frcHome'
+            url frcHomeMaven
+        }
+    }
+}