fixed namespace references

Author: Toby Hodges

_includes/cwl/metadata_example.cwl

@@ -14,7 +14,7 @@ inputs:
   bam_input:
     type: File
     doc: The BAM file used as input
-    format: edam: format_2572
+    format: edam:format_2572
     inputBinding:
       position: 1
 
@@ -23,7 +23,7 @@ stdout: output.txt
 outputs:
   report:
     type: File
-    format: edam: format_1964
+    format: edam:format_1964
     outputBinding:
       glob: "*.txt"
     doc: A text file that contains a line count