Automatic code formating because the spacing was getting really terrible.
Replaced loadBamMap.
-It now calculates the mapping rather than loading it from a file.
-It is extremely brittle to changes in parameters.
Eliminated field bamDigitToName map.
-renamed loadBamMap to generateBamMap
-eliminated parameters
-replaced fields only usage with a call to generateBamMap
Removed duplication of a formatting string and moved it into getSplitFileName.
Removed bamMap file because it is no longer needed.