repair file upload
deprecate upload button styling
Merge branch 'master' of https://github.com/highfidelity/worklist into 19631
intergrate error message from uploads into the popup
Merge branch 'master' of https://github.com/highfidelity/worklist into 19631
remove .uploadbutton class from stylesheet
sanitize the upload markup
Merge pull request #83 from qboss/19631

19631