Push intermediate file cleanup down to the applications the cdr_evc.py calls

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cdr_ecv.py doesn't know much about the intermediate files generated by the 
applications it is calling.  So it has several lines of hard coded values, that 
would get out of sync with the applications should one of them change.

It would be better if each application cleaned up its own intermediate files.

Should intermediate files be needed during development/testing, a 
--keep_something parameter could be added to prevent deletion of those files.

Obviously somethings, like the DEM files, would still need to be removed by 
cdr_evc.py.

Original issue reported on code.google.com by rd.alt.5...@gmail.com on 24 Oct 2013 at 8:42

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Original comment by davehil...@gmail.com on 27 Jan 2014 at 9:53

• Added labels: Type-Enhancement
• Removed labels: Type-Defect

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Original comment by rd.alt.5...@gmail.com on 16 Jul 2014 at 9:03

• Added labels: Milestone-future

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Note: cdr_ecv.py has been replaced with processor.py

Original comment by rd.alt.5...@gmail.com on 13 Nov 2014 at 4:09