XIB button format
Removed references to non-existing images
Media linking in progress
Merge remote-tracking branch 'origin/sdm' into edo
Added images
Genuine gross media button action, embryo animation plist slots filled up to (not including) microglial cells, added media button images
Merge remote-tracking branch 'origin/edo' into sdm
Finished embryo animation plist filling
Programming for embryo 2D image media buttons
Finished adding placeholders for Embryo section of plist