Returns the version of Speedment that was used to generate the code. If
this does not correspond with the version of the runtime, then a warning
will be shown when Speedment is started.
The version has the following structure:
speedment:3.0.21-SNAPSHOT
First comes the name of the edition (simply
speedment for the
open-source edition) followed by a comma and the Maven version.
If this value is not present, it should be read as the generated version
being unknown. This probably means that it was generated with an older
version of Speedment than
3.0.21 in the case of the open-source
edition.