First crack at general comparison table

Lots of copy-pasta to be refactored.
Fixing a couple of missed references
Merge pull request #268 from urbanairship/issue-201-update-references

Fixing a couple of missed references
The time container in display mode didn't have the right classes applied, so it didn't update
Merge pull request #270 from urbanairship/issue-269-display-mode-time

The time container in display mode didn't have the right classes applied...
Merge branch 'master' of github.com:urbanairship/tessera into issue-125-comparison-summation-table
Reorder then & now columns to flow better
Merge pull request #273 from urbanairship/issue-125-comparison-summation-table

Issue 125 comparison summation table
Update integration test for db model rename
Merge branch 'master' of github.com:urbanairship/tessera into issue-207-timezone-picker