Add ol.geom.simplify.schaub
Use Schaub's topology-preserving simplification method for Polygons and MultiPolygons
Rename ol.geom.simplify.schaub to quantize
Don't assume EPSG:4326 in ol.format.Format
Don't assume EPSG:4326 in ol.format.Text
Don't assume EPSG:4326 in ol.format.XML
Merge pull request #1380 from twpayne/vector-api-format-projection

[vector-api] Don't assume EPSG:4326 in ol.format
Merge pull request #1376 from twpayne/vector-api-simplify-schaub

[vector-api] Schaub simplification
Add ol.format.Format#readFeaturesFromURL
Use readFeaturesFromURL in ol.source.VectorFile