use ErMagic.er_samples_header to generate keys for new samples/sites/locations in QuickMagic.  enforce the use of absolute path in QuickMagic.  call demag/thellier gui as command line scripts.
bare minimum functionality for upload_magic validations (checks for required columns being empty, and numeric columns having non-numbers)
QuickMagic fix bug where drop down menus fail after adding site/location
get MagIC-data-model for validate upload.txt file.  works if user is online OR offline
fix some validate-upload bugs
fix thellier_gui error where modal doesn't get created
fix some more validation_upload issues
fix weird menu-exit behavior in thellier_gui