Add-on bootstrap dashboard

Copied from slowsql and hacked mercilessly
add Version column

Split out add-on version into a separate column, add some error
checking and handling
logging
Ignore
Remove temp file
remove Total Sessions column

clean up some mistaken check-ins and other glitches
Remove temp files
no really, remove this
remove
remove
remove
Add-on bootstrap dashboard

Copied from slowsql and hacked mercilessly
remove Total Sessions column
Clean up

My git fu is still weak
Rewrite week-over-week comparison

Support multi-field keys to identify rows
Add link from main telemetry dash
Relative URLs ftw
Make dash links relative and alphabetize.
Merge pull request #53 from irvingreid/master

Add add-on performance dashboard