[#959286] Ensure we default undefined values on track events.
v2.0.40
[#959367] Submodule update
v2.0.41
[#960183] Submodule update for null wrapper fix.
v2.0.42
Bug 960687 - Stop TravisCI testing with node v0.8
fix bug 927157
v2.0.43
Fix Bug 924398 - Reenable backup code to save project data to localstorage
Fix bug 950099 - Parse JSON on all valid HTTP statuses
Bug 958233 - add remixurl and editurl to makeapi record
updates