[infer] print all the severities in the debug html
[infer] print all the severities in the debug html

Reviewed By: mbouaziz

Differential Revision: D9252923

fbshipit-source-id: ded66710c

jvillard/infer,facebook/infer,jvillard/infer,facebook/infer,facebook/infer,facebook/infer,facebook/infer,facebook/infer,jvillard/infer,jvillard/infer,facebook/infer,jvillard/infer,jvillard/infer,jvillard/infer