Move back ol.parser.polyline
Port ol.parser.polyline to ol.format.Format
Making coding style closer to ol3's in ol.format.Polyline
Optimize encode
Add ol.format.Polyline#readProjectionFromText
Remove whitespace
Use stronger instanceof assertion
Optimize encode
Merge pull request #1359 from twpayne/vector-api-polyline

[vector-api] Add ol.format.Polyline