Returns how many files could not be read, to a maximum of 255 (since the exit code is 8 bit).
This allows other processes calling "glance info" to detect errors.

Previously "glance --version" was treated as an error, and the process's exit code was "9".  Displaying the version isn't an error.

If present, the first one or two arguments to "glance gui" will be automatically loaded as File A and File B.

Command names are case insensitive.  "glance reportGen" and "glance reportgen" are synonymous.

However, help requests remain case sensitive. "glance help reportgen" fails.  This patch makes it case insensitive.

Typical usage has changed; not usually just invoked through the "glance" binary. Change documentation to match.

fix handling of _unsigned attribute in nc files; units=1 no longer display on plots; commands on the command line should be case sensitive; better handling of shape () data

refactoring the stats module and adding more detailed analysis of individual data sets; fixed a bug that caused glance to crash when loading character variables in netcdf files

git-svn-id: https://svn.ssec.wisc.edu/repos/glance/trunk@206 8a9318a1-56ba-4d59-b755-99d26321be01

moving the reports and some other things I missed the first time around to use the new constants module

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moving a huge pile of strings into constants modules and refactoring several groups of functions out of compare.py into different modules organized by their logical function

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added ability to restrict histogram range in histogram plotting function; this is all wired up to the inspection report (put histogram_range in the config file to use it); changed set_to_value_between_bounds filter to set_to_value_outside_bounds and wrapped old name for compatibility

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fixed which doc strings are shown for the inspectStats command; moved gui constants into a separate file; hooked up more of the settings tab; built case insensitive cache for the attributes and variable names in the io module; fixed the validator in the gui so it will accept None as well as doubles

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fixing a bug in the correction of the view windows in imapp_plot; correcting user visible help in main glance command line

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changing how the renderer is selected in compare to make sure an interactive or non-interactive renderer is correctly selected

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moved to new version to represent the gui change; marked glance no longer zip safe due to mako needing to search directories for templates; moved glance non-code files into the stuff subdirectory; overhauled report generation to remove copied code; more kinds of files can get all variable attributes using io; checked in initial imapp idea plotting code; set up initial stats window in gui; added numeric validation to some gui input fields; changed the statistical analysis constructors to allow for direct use of data objects

git-svn-id: https://svn.ssec.wisc.edu/repos/glance/trunk@151 8a9318a1-56ba-4d59-b755-99d26321be01

adding zero padding to floats displayed in reports; adding alpha version of new gui; adding initial version of global file attribute load to io; now using Qt4Agg renderer and setting ion and ioff

git-svn-id: https://svn.ssec.wisc.edu/repos/glance/trunk@150 8a9318a1-56ba-4d59-b755-99d26321be01

adding pass fail control in reportGen; adding _delta statistics and renaming some others to be consistent; fixed calculation of the standard deviation; comment out some print statements in the io module

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a draft of a great circle distance function; fixed the bin range and epsilon comparison in colocation; added a check for no-data to stop scatter plot from crashing bin/tuple mode

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replaced trouble with mismatch; added units to most plots; corrected off by one error in histogram and changed 'bin' to interval in the displayed stats

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fixed config file link on main report page; added units display to reports if units attribute is present in files

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adding new scatter plot colored by bin to the bin/tuple plots, also fixed link to config file on the variable reports

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refactoring use of data objects in compare; some cleanup; added a bit of functionality to FileInfo object and partially integrated it into compare

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added ability to test total error (sum of error for epsilon and finiteness mismatch) and corrected imshow method to keep original images in the same range when directed)

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