The WbEnviroment configures the workbench environment.
 The object resides in the project volume as a top object.
 In the path attribute a search path for loadfiles can be supplied.
 The object can have children of type RootVolumeLoad, SubVolumeLoad
 and ClassVolumeLoad that defines which volumes can be loaded into the
 workbench environment.

A list of directories where imported loadfiles will reside.
Imported loadfiles are configured with ClassVolumeLoad, RootVolumeLoad
or SharedVolumeLoad objects that has the WbEnvironment object as a
parent. If the loadfiles is imported from other projects, or from
other directories then $pwrp_load, the directories where to search for
loadfils should be configured here.