Revert "Revert "Revise Progress Messages for Importer and Analyzer""

This reverts commit 8e8b7fcfe9d660125423c5b0b0bd4087e02d00a4.

I reverted the wrong commit, because I'm an idiot...
Revert "Merge branch 'hack_day' of github.com:crantila/vis into hack_day"

This reverts commit aa1d74774afee52b890bbad40e54d60ae918d3c8, reversing
changes made to e5ffc002ef6e2b4f5587aefda4a5f7578752f84e.