Fix cannot read lat | lon of undefined
Fix 'this._map is null'
Another 'lng of undefined' bug
Fixed 'Attempted to add layer undefined while it was already part of the map'
Fix merge conflict
Merge pull request #272 from nens/arjen_fix_sentry_bugs

Arjen fix sentry bugs
changes
Fix merge conflict
Merge branch 'integration' into staging
Changed package.json and changelog to 1.1.3