Minor amendments in the HMS calorimeter part.

Changed column and row numbering in THcShowerHit.h in order to get rid of
warning messages on unsigned and integer comaprisons when compiling;

Corrected a debug message in THcShower.cxx.
Shower code: Editing of comments
Re-arrange, modify and make more detailed comments in the Shower*.h header
files. Add more comments in the Shower*.cxx files.
Add template driven end of run reports to analyzer class
Inspired by ENGINE/CTP report generator
  Reports generated by
    THcAnalyzer::PrintReport(templatefilename,outputfilename)
    template is copied to output, {stuff} is replaced by the
       value of stuff.  Value can be formated with c formater, eg.
           {stuff:%.2f}
  ThcFormula added to allow more flexibility of variables.
    Can get number of times cuts pass or are called with:
       cutname.npassed (or cutname.scaler) and cutname.ncalled
Merge pull request #18 from sawjlab/reports

Add template driven end of run reports to analyzer class
Add missing [fNelem] to comment for fA_Neg and fA_Neg_p declarations.
   This is magic that allows the size of arrays to passed to
   the root tree making.
Merge pull request #19 from sawjlab/develop

Add missing [fNelem] to comment for fA_Neg and fA_Neg_p declarations.
Add dc statistics parameters that can be used in reports.
Add gHcParm variables for some run information
    Added variables using ENGINE names
       gen_run_number
       gen_run_starting_event
       gen_event_id_number
Allow %d in report formats.
  If ThcAnalyzer::PrintReport sees a format descriptor with 'd' at
  the end, then the value is converted to the nearest int before formatting.
Add fThetaCentralOffset, fOopCentralOffset, fPCentralOffset
Add fTheta_lab
Do offsets in THcHallCSpectrometer::ReadDatabase
Merge pull request #22 from sawjlab/report_stuff

Report stuff
Merge branch 'develop' of github.com:JeffersonLab/hcana into mkj
Merge pull request #21 from MarkKJones/mkj

Add fThetaCentralOffset, fOopCentralOffset, fPCentralOffset
Tests and reports for Drift Chamber efficiency
  Clone some DC tests from ENGINE test files to podd
  style cuts.  Make changes to source code to support these tests.
  Correct hits in plane line in example report file.
- Change version to 1.5.25 in SConstruct.py

- Add MacOSX-dependent compile options in Hall C LinkDef
- changed prompt to indicate version of Interface
Debugging statements ...
Updates to Hall C shower and interface codes for scaler debugging
purposes.
Updates for site-wide scons build (rather than local version).
Changes to remove dependence on locally packaged SCons