note about travis integration

CHANGELOG.md

@@ -9,17 +9,21 @@
     -    refFlat
 
         -   This creates a file for the REF_FLAT argument of
-        	CollectRnaSeqMetrics.
+            CollectRnaSeqMetrics.
 
     -    rRNA
 
         -   This creates a file for the RIBOSOMAL_INTERVALS argument of
-        	CollectRnaSeqMetrics.
+            CollectRnaSeqMetrics.
+
+-   Travis continuous integration testing. Each time I push new changes to the
+    repo, Travis will automatically check that the picardmetrics output is
+    correct.
 
 ## Fixed
 
 -   This was harmless, but some of the collated output files were missing the
-	trailing tab character at the end of the line. Some also had extra lines
+    trailing tab character at the end of the line. Some also had extra lines
     without data. Now all of the collated output files should be perfectly
     formatted.
 
@@ -30,20 +34,20 @@
 ## Changed
 
 -   `picardmetrics run` now puts the newly generated BAM file in `/tmp` and
-	deletes it after successfully running, unless the `-k` option is used.
+    deletes it after successfully running, unless the `-k` option is used.
 
 -   `picardmetrics run` now runs CreateSequenceDictionary and ReorderSam on
     the BAM file to avoid issues where the sequence names in the header of the
     BAM file is not in the same order as the sequence names in the reference
     sequence FASTA file.
 
 -   Shuffled the header for `data/project1/sample2.bam` so we can ensure that
-	BAM files with unordered headers work correctly.
+    BAM files with unordered headers work correctly.
 
 -   Rearranged output files so you can see the extra metrics contributed by
-	CollectRnaSeqMetrics:
+    CollectRnaSeqMetrics:
 
-	-   Compare the files in `out/default` with `out/rnaseq`.
+    -   Compare the files in `out/default` with `out/rnaseq`.
 
 ## Removed