Additional clarifications for tasks/readme
Limit map size
More data in example
Uncheck heavy layers by default
Correct typo in documentation

corrected homonym error.
Add target/sourceProjection to ol.format.Feature#read*
Add target/sourceProjection to ol.format.JSONFeature#read*
Add target/sourceProjection to ol.format.GeoJSON#read*
Use a ReadFeatures object instead of sourceProjection/targetProjection
Update read* signatures in ol.format.JSONFeature to use options
Introduce WriteOptions for feature formats
Add write transform capability to ol.format.JSONFeature
Implement write transforms for ol.format.GeoJSON
Make projection retrieval consistent
Better descriptions of options
Add transformGeometry function to avoid repeated code
Get projection from data if dataProjection is not specified
Add transform tests for GeoJSON readFeatures
Add ReadOptions and WriteOptions for XML formats
Implement ReadOptions and WriteOptions for ol.format.GML