Fix bug: task name

tasks/somatic.wdl

@@ -1,11 +1,11 @@
-task varscan {
+task somatic {
 
     String sample
     File normal_bam
     File normal_bam_index
     File tumor_bam
     File tumor_bam_index
-    
+
     File ref_dir
     String fasta    
     String docker