Added some scaladocs strings

bammetrics/src/main/scala/nl/lumc/sasc/biopet/pipelines/bammetrics/BammetricsReport.scala

@@ -243,7 +243,7 @@ object BammetricsReport extends ReportBuilder {
   }
 
   /**
-    * This is a generic method to create plots
+    * This is a generic method to create a Map that can be turned into a plot
     * @param libraryLevel If enabled the plots will show data per library
     * @param sampleId If set only this sample is shown
     * @param libraryId If set onlt this library is shown
@@ -357,7 +357,7 @@ object BammetricsReport extends ReportBuilder {
     *
     * @param outputDir OutputDir for the tsv and png file
     * @param prefix Prefix of the tsv and png file
-    * @param insertSizePlotTables
+    * @param insertSizePlotTables Plot map generated by insertSizePlotTables function.
     */
   def insertSizePlot(outputDir: File,
                      prefix: String,
@@ -461,9 +461,7 @@ object BammetricsReport extends ReportBuilder {
     *
     * @param outputDir OutputDir for the tsv and png file
     * @param prefix Prefix of the tsv and png file
-    * @param summary Summary class
-    * @param libraryLevel Default false, when set true plot will be based on library stats instead of sample stats
-    * @param sampleId Default it selects all sampples, when sample is giving it limits to selected sample
+    * @param wgsHistogramPlotTables Plot map generated by wgsHistogramPlotTables function.
     */
   def wgsHistogramPlot(outputDir: File,
                        prefix: String,
@@ -495,10 +493,8 @@ object BammetricsReport extends ReportBuilder {
     *
     * @param outputDir OutputDir for the tsv and png file
     * @param prefix Prefix of the tsv and png file
-    * @param summary Summary class
-    * @param libraryLevel Default false, when set true plot will be based on library stats instead of sample stats
-    * @param sampleId Default it selects all sampples, when sample is giving it limits to selected sample
-    */
+    * @param rnaHistogramPlotTables Plot map generated by rnaHistogramPlotTables function.
+     */
   def rnaHistogramPlot(outputDir: File,
                        prefix: String,
                        rnaHistogramPlotTables: Array[Map[String, Array[Any]]],