Made changes to biosamples. See redmine bug: 193
Refactored code.
Made changes to show treatment documents
Added check for empty fields
Added submission form and moved the edit submission form to the base to make it more generic
Form edits
Merging master on to branch (experiment_loading)
Fixed files dependency on replicates
merge of experiment_loading
fix links -- except tif images
Merge branch 'master' into document-blobs