Started work on project usage over time report.
Minor change.
Rename the sql file for project usage.
Some code cleanup. Extract queries to separate files. Also fix bug in week numbers for user activity.
Added insider activity cohorts report and did some code cleanup.
Update build file to copy resource files located in the source directory.
Organized reports into sub-folders.
Added report for confirmed vs. unconfirmed users.
For now, using the main prod db for confirmation since we don't update it well in metrics DB.
Update index files.