[ADD] Demo data.
[ADD] Test ir_ui_view render.
[ADD] Required field in modal create_experiment.
[IMP] Menu Customize Automatic Footer.
[IMP] request in Snapshot.
[IMP] Menu customize for all websites.
[IMP] Sublime Text Linter.
[IMP] orm cache in version.py
[IMP] Tracking code in website module.
Merge branch 'master-version-AB-2-sig' into master-version-AB-4-sig