Cleanup.
Analysis fixes and javadocs.

* fix analyze, IcpcProperty no longer used, use Property instead
* default constructor for ExcelParser uses the blank template file
* column analysis gets written to the output directory now, with a timestamp
* close outputstreams properly
* loadFormats can manage its own db session
* add more javadocs
Fix bug for blank columns.

* handle blank columns in the middle of the template properly
Fix ordering of columns in combined report.