updating version for merge with master. new hello world project

examples/HelloRapidMix/HelloRapidMix.xcodeproj/project.xcworkspace/contents.xcworkspacedata

+<?xml version="1.0" encoding="UTF-8"?>
+<Workspace
+   version = "1.0">
+   <FileRef
+      location = "self:">
+   </FileRef>
+</Workspace>

src/rapidmix.h

@@ -36,11 +36,11 @@
 #define rapidmix_h
 
 #define RAPIDMIX_VERSION_MAJOR 2
-#define RAPIDMIX_VERSION_MINOR 2
-#define RAPIDMIX_VERSION_PATCH 1
-#define RAPIDMIX_VERSION "2.2.1"
+#define RAPIDMIX_VERSION_MINOR 3
+#define RAPIDMIX_VERSION_PATCH 0
+#define RAPIDMIX_VERSION "2.3.0"
 #define RAPIDMIX_JSON_DOC_VERSION "1.0.0"
-#define RAPIDMIX_REVISION "10-NOVEMBER-2017"
+#define RAPIDMIX_REVISION "06-DECEMBER-2017"
 
 #include "machineLearning/machineLearning.h"
 #include "machineLearning/trainingData.h"