* define the sample form classes without model_form, and re-implement validate_on_submit.
* use a field macro for easier field rendering in the HTML template.
* Update ExperimentForm from defined wtform classes.
* Undo name change in SampleForm
* delete old code that is trying to be rendered.
* use a for loop to render the radio list choices dynamically.
* paginated experiments table at GET /experiments
* fix misnamed ExperimentForm
* add experiment-detail template
* wrap class in quotes.
* Added new module/blueprints for Trainin_Data collection
* Update tests for training data routes
* register the new training blueprints
* fix some blueprint issues due to bad copy/paste
* remove header for link
* slightly improve display for training detail view.
* Bugfixes.
* move fixtures into conftest and use the experiment fixture in the samples API tests.
* Now that `Experiment` is required on the `Samples`, we need to make sure there is an Experiment in the DB before creating any Sample.
* PEP8 whitespace
* renamed templates

…datasets into initialize

* add ITEMS_PER_PAGE as a configuration setting, fetch it during pagination.
* fix experiment-detail template
* add table for all samples
* add button to experiment-detail to view all samples for a given experiment
* Uses filters based on URL params!
* PEP8

* whitelist attribute names to filter on.
* Filtering using URL args is working.
* refactor experiments_table to view_all_experiments, to better match other blueprints.
* build forms for samples and training.
* Pass parsed URL kwargs to the template.
* Template filter forms using FlaskForms.
* PEP8