Done-with: Thomas Hartmann

Done-with: Thomas Hartmann
Reviewed-by: Roberto Raggi

This is a "back-port" for 57f2b3e4 from master
into 2.0.

Done-with: ckamm

This also makes the editor auto-fold the license comment.

Task-number: QTCREATORBUG-1455
Reviewed-by: Erik Verbruggen

Task-number: QTCREATORBUG-919
Reviewed-by: Roberto Raggi

 * Make sure all non-empty source files found below ./src have
   a copyright header.

Reviewed-by: con

Reviewed-by: Roberto Raggi

Done with Roberto Raggi.

separate class (QScriptIncrementalScanner).