VE-861 Properly hide loading indicator and track event when VE fails to load
Rename methods for consistency
VE-861 Rename variables for consistency
VE-1130 Optimize checking of blog namespaces within VisualEditor
Merge in changes from ve-sprint-19
Revert "Merge in changes from ve-sprint-19"

This reverts commit 351b469d7523ec7ea7626d5a6038bcdf036e313d.
Merge in ve-sprint-19
Use empty() to check if extension is enabled
Merge pull request #3774 from Wikia/VE-861

VE-861 Properly hide loading indicator and track event when VE fails
Remove debugging statement
Merge pull request #3781 from Wikia/VE-861

Remove debugging statement
Merge pull request #3767 from Wikia/VE-1130

VE-1130 Optimize checking of blog namespaces within VisualEditor
VE-743 VisualEditor orientation dialog
File formatting
Changes from code review
VE-743: Move code responsible for displaying wikiaOrientation dialog from onSurfaceReady to maybeShowDialog
VE-743: i18n
VE-743: Tracking for Optimizely goals. Experiment activation. Proper tracking in Kibana.
VE-743: Report as "yes" or "no" vs "true" and "false"
VE-743: Just pleasing @BladeBronson