small change to header to add image
small chage to con_type_show view
added samples controller destroy action
unstable: tried to add taxon name autocomplete for samples. Found that I need to denormalize taxon scientific and common names into the Taxon table.
fixed conflict
updated containers, barcodes views
quieted the logging a bit, added some pagination of barcodes in BarcodesController.index view
sample in flux, trying to get new samples made.
sample mvc basic functionality achieved
added API gems, migrations
Merge branch 'feature/sample-mvc' into develop