[orx-tensorflow] Add tensorflow support and utilities

build.gradle

@@ -18,12 +18,13 @@ def openrndrUseSnapshot = false
 apply plugin: 'org.jetbrains.dokka'
 
 project.ext {
-    openrndrVersion = openrndrUseSnapshot? "0.4.0-SNAPSHOT" : "0.3.44-rc.14"
+    openrndrVersion = openrndrUseSnapshot? "0.4.0-SNAPSHOT" : "0.3.44"
     kotlinVersion = "1.4.0"
     spekVersion = "2.0.12"
     libfreenectVersion = "0.5.7-1.5.4"
     gsonVersion = "2.8.6"
     antlrVersion = "4.8-1"
+    tensorflowVersion = "0.2.0"
 }
 
 switch (org.gradle.internal.os.OperatingSystem.current()) {
@@ -61,12 +62,12 @@ allprojects {
 
     group 'org.openrndr.extra'
 
-
     repositories {
         if (openrndrUseSnapshot) {
             mavenLocal()
         }
 
+        mavenCentral()
         jcenter()
         maven {
             url = "https://dl.bintray.com/openrndr/openrndr"