Partial #21 (add converters) - image files csvs

Added sample ImageFileNameCategoryTags Tables + .bat creator script -
These are sample/rough draft ImageFileNameCategoryTags tables in folder
imagefile_name_category_tags - just to create a placeholder for these &
to see what these will look like & get feedback & get filenames
established (that are needed for later/readme)
Fixed typo, added some doc
Update README.md

Remove png from line 80. DISA will only be providing SVG files.
Merge remote-tracking branch 'upstream/master'
Changes to Cyberspace #28

Fixed typo #28
Merge pull request #32 from jrweakland/master

Reviewed, merging now
Merge pull request #29 from mepler/patch-1

Update README.md
Merge pull request #27 from csmoore/master

Continued/Partial #21 (adding converters)
Merge pull request #33 from joebayles/master

Sea, Air, Space 2525B Compatibility