Add small group titles and new icons (#448)

* Add small group titles

* Update

* Update

* Remove borders

* Home-made icons

Author: koenderks

inst/Description.qml

@@ -15,6 +15,12 @@ Description
 	preloadData:	true
 
 	GroupTitle
+	{
+		title:		qsTr("Supervised Learning")
+		icon:		"supervised-learning.svg"
+	}
+
+	GroupTitleSmall
 	{
 		title:		qsTr("Regression")
 		icon: 		"analysis-ml-regression.svg"
@@ -69,7 +75,7 @@ Description
 	}
 
 
-	GroupTitle
+	GroupTitleSmall
 	{
 		title:		qsTr("Classification")
 		icon: 		"analysis-ml-classification.svg"
@@ -129,8 +135,25 @@ Description
 		func:		"mlClassificationSvm"
 	}
 
+	GroupTitleSmall
+	{
+		title:		qsTr("Prediction")
+		icon: 		"analysis-ml-prediction.svg"
+	}
+	Analysis
+	{
+		menu:		qsTr("Prediction")
+		title:		qsTr("Prediction")
+		func:		"mlPrediction"
+	}
 
 	GroupTitle
+	{
+		title:		qsTr("Unsupervised Learning")
+		icon:		"unsupervised-learning.svg"
+	}
+	
+	GroupTitleSmall
 	{
 		title:		qsTr("Clustering")
 		icon: 		"analysis-ml-clustering.svg"
@@ -171,16 +194,4 @@ Description
 		title:		qsTr("Random Forest Clustering")
 		func:		"mlClusteringRandomForest"
 	}
-
-	GroupTitle
-	{
-		title:		qsTr("Prediction")
-		icon: 		"analysis-ml-prediction.svg"
-	}
-	Analysis
-	{
-		menu:		qsTr("Prediction")
-		title:		qsTr("Prediction")
-		func:		"mlPrediction"
-	}
 }