2.3 (#56)

### features
- added auto install and update
- added calibration status and accuracy message
- added 2020 loading station pnp model

### bugs
- fixed solve pnp model upload 
- fixed solve pnp draw

chameleon-server/pom.xml

@@ -6,7 +6,7 @@
     <groupId>org.chameleon-vision.main</groupId>
     <artifactId>chameleon-vision</artifactId>
 
-    <version>2.2-RELEASE</version>
+    <version>2.3-RELEASE</version>
     <build>
         <plugins>
             <!--setup for java jdk 12-->
@@ -63,7 +63,7 @@
         <dependency>
             <groupId>io.javalin</groupId>
             <artifactId>javalin</artifactId>
-            <version>3.4.1</version>
+            <version>RELEASE</version>
         </dependency>
 
         <!--org.json from saving and loading data-->