summary added in comparison

Former-commit-id: 9a267727234dc9026ce3a54f543e62d8f609945a
Former-commit-id: 556a34a214aea8824f34d4a2c117f09527d88146

detectors/cds/tools/compare/README.txt

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+#
+# Compare CDS prediction to Reality
+#
+
+go_compare.sh reference predicted
+
+  reference: Gbk/Embl file
+  predicted: Gbk/Embl file
+
+  output on stdout 
+
+#
+# Summarize comparisons
+#
+  
+go_summarize.sh *.cmp
+
+  *.cmp comparison files (output of go_compare.sh)
+  
+  output :
+    compare.txt : space delimited format summary
+    compare.pdf : graphics summary
+