Change how 'open' events are logged.
Now include default notebook opens
Make more info available to tracking services (still need to change
tracking services to consume it)
Fix and change tracking service about 'open' events logging
The code that determines notebook type was still using the logic from before the URL scheme change
Under current scheme, the notebook type has 2 parts: uriType and
notebook format. The tracking service now record the notebook format.
Issue #360 was logged to identify what exactly should be logged.
Add event logging for outputdisplay usage
Merge remote-tracking branch 'origin/master' into alee/metrics
Merge pull request #372 from twosigma/alee/metrics

Make Beaker able to log more to metrics
Fix capitalization of "LaTeX" in READMEs and tutorial
Merge pull request #373 from bwignall/tex

Fix capitalization of "LaTeX" in READMEs and tutorial
About #360, make 'outputDisplay' event logged to GA
Only log 'outputDisplay' events when result type is defined to reduce noise in analytics reports
Merge pull request #375 from twosigma/alee/metrics

More events to GA metrics
removing xcuserdata again
merge
add .DS_Store (generated by mac finder)