The s3 bucket policy.

We should have a system to automate creating this in the future.
Merge pull request #252 from MastodonC/feature/s3-configuration-backup

S3 configuration data  for the  s3 bucket policy.
Limit size of files uploaded via UI

Add filename to user metadata.
Use calculated max size.
Merge pull request #253 from MastodonC/feature/fix-upload-size

Limit size of files uploaded via UI
wip: replace dimple with pure d3
wip: clj->js on measurements
Parse measurements.
Fix x axis
Allow to plot the same day and move datepicker.
Better css and clearing of measurements.