Roll back some versions for 2018

Author: James Hagborg

build.gradle

@@ -21,24 +21,27 @@ allprojects {
     }
 }
 
-def WPILIB_VER = '2019.1.1-beta-1'
-def OPENCV_VER = '3.4.3-15'
+def WPILIB_VER = '2018.4.1'
+def NTCORE_VER = '4.1.0'
+def OPENCV_VER = '3.2.0'
+def WPIUTIL_VER = '3.2.0'
+def CSCORE_VER = '1.3.0'
 def JUNIT_VER = '5.3.1'
 
 dependencies {
     // We may or may not need to add the new HAL library which was split off
     // from wpilib.  Ideally we don't have to touch it at all.
     compile "edu.wpi.first.wpilibj:wpilibj-java:$WPILIB_VER"
-    compile "edu.wpi.first.ntcore:ntcore-java:$WPILIB_VER"
-    compile "edu.wpi.first.wpiutil:wpiutil-java:$WPILIB_VER"
-    compile "edu.wpi.first.cscore:cscore-java:$WPILIB_VER"
-    compile "edu.wpi.first.cameraserver:cameraserver-java:$WPILIB_VER"
-    compile "edu.wpi.first.thirdparty.frc2019.opencv:opencv-java:$OPENCV_VER"
+    compile "edu.wpi.first.ntcore:ntcore-java:$NTCORE_VER"
+    compile "edu.wpi.first.wpiutil:wpiutil-java:$WPIUTIL_VER"
+    compile "edu.wpi.first.cscore:cscore-java:$CSCORE_VER"
+    //compile "edu.wpi.first.cameraserver:cameraserver-java:$WPILIB_VER"
+    compile "org.opencv:opencv-java:$OPENCV_VER"
 
     // Do not require these as runtime dependencies, since WPILib doesn't.
     // The user can figure out what version they need (RIO vs. desktop).
-    testRuntime "edu.wpi.first.ntcore:ntcore-jni:$WPILIB_VER:all"
-    testRuntime "edu.wpi.first.cscore:cscore-jni:$WPILIB_VER:all"
+    testRuntime "edu.wpi.first.ntcore:ntcore-jni:$NTCORE_VER:all"
+    testRuntime "edu.wpi.first.cscore:cscore-jni:$CSCORE_VER:all"
     testRuntime "org.junit.jupiter:junit-jupiter-engine:$JUNIT_VER"
 
     testCompile "org.junit.jupiter:junit-jupiter-api:$JUNIT_VER"

src/main/java/org/hyperonline/hyperlib/vision/FindTargetsPipeline.java

@@ -14,7 +14,7 @@
 import org.opencv.imgproc.Imgproc;
 
 import edu.wpi.cscore.CvSource;
-import edu.wpi.first.cameraserver.CameraServer;
+import edu.wpi.first.wpilibj.CameraServer;
 
 /**
  * A pipeline which finds rectangles within a given color range.

src/main/java/org/hyperonline/hyperlib/vision/VisionGUIPipeline.java

@@ -2,7 +2,7 @@
 
 import org.opencv.core.Mat;
 
-import edu.wpi.first.vision.VisionPipeline;
+import edu.wpi.first.wpilibj.vision.VisionPipeline;
 
 /**
  * A pipeline which has separate methods for processing an input image and

src/main/java/org/hyperonline/hyperlib/vision/VisionModule.java

@@ -10,7 +10,7 @@
 import edu.wpi.cscore.CvSource;
 import edu.wpi.cscore.VideoMode;
 import edu.wpi.cscore.VideoSource;
-import edu.wpi.first.cameraserver.CameraServer;
+import edu.wpi.first.wpilibj.CameraServer;
 import edu.wpi.first.wpilibj.DriverStation;
 
 /**