Load file contents asynchronously

Merged Anubhav Tyagi requested to merge tyagi619/gnome-maps:Anubhav into master

Modified file : src/shapeLayer.js and src/mapView.js

The loading of the file contents which is done from shapelayer.js uses load_contents() which is a synchronous call. Replaced load_contents() with load_contents_async() which is an async version of loading the file contents.

Fixes #59 (closed)

Edited by Anubhav Tyagi

Merge request reports