0021813: Include installed module information when exporting a client

Description

In order to be able to import a client, one has to make sure that the target instance has all the modules that have been exported from the source instance, because otherwise the import process will fail (with errors like 'Referenced object X not present in the XML or in the database).

Right now there is no way to compare the target and the source instance installed modules. This information (not only which modules are installed, but also its version) should be packed along the client, so that it is possible to compare it with the modules installed in the target instance.

If the target has some of the source instance modules missing, the import process will fail, but a meaningful message could be shown. Moreover, if in the target version some modules are installed that were not installed in the source instance, they process might also fail, so another message should be shown to the user to give him hints about what might have made the process fail.

Steps To Reproduce

- Install a module that adds some processes, and give your user access to these processes.
- Export the client, and try to import it in an instance that does not have that module installed. The import process will fail because it can not find the references to the missing processes.

Issue History
Date Modified	Username	Field	Change
2012-10-01 16:12	AugustoMauch	New Issue
2012-10-01 16:12	AugustoMauch	Assigned To	=> AugustoMauch
2012-10-01 16:12	AugustoMauch	Modules	=> Core
2012-10-01 16:13	AugustoMauch	Relationship added	related to 0021310

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