future additions:
+ Add CIVET-NMT average surface
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directory version : 21 (Sarcastic Sardine)
date uploaded     : 2020-09-27
updates:
+ Updated segmentation using the Subcortical Atlas of the Rhesus Macaque (SARM)
+ Added the SARM v1.0
+ Fixed float datatype for a subset of files (converted to short/byte)
+ Removed hippocampal CHARM regions due to overlap with SARM
+ Modified CHARM boundaries to lower overlap with SARM
+ Modified atlas key tables to be tab delimited for easier manipulation
+ Added CHARM and SARM ROI surfaces
+ Changed supplemental_* directories to tables_* to prevent duplicate names
+ Fixed center of mass calculations in CHARM

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directory version : 20 (Inflated Iguana)
date uploaded     : 2020-08-03
updates:
+ Updated segmentation using contributions from Pierce Perkins
+ Updated segmentation using preliminary SARM atlas
+ NMT v2 uploaded to AFNI
+ NMT and CHARM pages generated on AFNI website
+ @Install_NMT script integrated into AFNI
+ Removed "_level" from all CHARM atlases for brevity
+ Added semi-inflated CIVET surfaces
+ Removed CIVET non-rsl surfaces
+ Removed CIVET blood vessel surface
+ Renamed remaining CIVET surfaces
+ Removed Paxinos atlas in preparation for the SARM
+ Added readme files
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directory version : 19 (Sassy Sasquatch)
date uploaded     : 2020-06-18
updates:
+ Filled in 0 values inside brainmask
+ Cropped D99 atlas using brain mask
+ Refined NMT segmentation using intermediate G12 atlas
+ CHARM: Renamed V3/V3A to V3d/V3A
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directory version : 18 (Wily Wombat)
date uploaded     : 2020-06-09
updates:
+ Updated the CustomAtlases.niml files for the symmetric and asymmetric templates
+ Separated symmetric and asymmetric NMT2 templates
+ Limited modal smoothing on certain delicate structures when generating low-res
+ Warped D99 to NMT using new skullstriped template
+ Warped Paxinos to NMT using new skullstriped template
+ Refined D99 and Paxinos atlases using new warps
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directory version : 17 (Mistaken Marmoset)
date uploaded     : 2020-06-04
updates:
+ Added CHARM label tables back in after they were somehow removed.
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directory version : 16 (Adventurous Alpaca)
date uploaded     : 2020-06-02
updates:
+ Updated ventricle mask based on Paxinos segmentation
+ Improved segmentation-based refinement of Paxinos atlas
+ Added fh cortical sheet mask (mistakenly left out)
+ Added supplemental_Paxinos directory
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directory version : 15 (Boisterous Baracuda)
date uploaded     : 2020-06-01
updates:
+ refined frontal surface of brain masks
+ limited other masks to new refined brain mask
+ created new skullstriped template using refined brain mask
+ Incorporated new segmentation from Pierce Perkins and Adam Messinger
+ regenerated the CHARM and D99 atlas using refined brain mask
+ removed duplicate surfaces
+ Added Calebrese/Paxinos Atlas by aligning the T2-like Calabrese atlas to the NMT v2
+ Refined Paxinos labels using segmentation
+ Added Paxinos cerebral white matter label to segmentation to improve scGM/WM
+ Added label tables to segmentation
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directory version : 14 (Sneaky Salmon)
date uploaded     : 2020-05-29
updates:
+ Added ventricle mask to supplemental_masks
+ Removed tmp segmentation files
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directory version : 13 (Unlucky Unicorn)
date uploaded     : 2020-05-28
updates:
+ Modified NMT v2 FOV from 250 x 310 x 200 -> 256 x 312 x 200
+ Modified NMT v2 low-res FOV from 125 x 155 x 100 -> 128 x 156 x 100
+ Added NMT_changelog.txt
+ Added label tables to D99 and CHARM
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