output: fix warning for storage

Som arguments were not used in implementation.
Parameters 'columns' and 'rows' of plugin are used only if they are
both non zero values.
decision: fix warnings
petrinet: fix warnings

- a boolean ok was set but not used
- a break instruction was missing into a case statement
exs: fix warnings

a Matrix was set but not used in testfsa
muparser: fix the CMakeLists for Cpack and version

- A VLE_NAME project was missing for using CPack
- Version of ext.muparser is set to 0.1.0 as others
forrester: fix CMakeLists

- define VLE_NAME for CPack
- takes into account option WITH_DOC
- search for gvle rather than all dependencies
Merge pull request #14 from rtrepos/pullrequest

Fix warnings and CMakeLists of packages
differential: add missing test files

The source code in test/dynamics are missing. We restore them from the
old recordb Git repository and we apply VLE's coding style.
decision: remove old vle::value::init call

The vle::value::init function disappear in VLE 1.1. We replace all call
with the vle::Init object.
cellqss: assign default path for scripts

Assign a default path for the VleCheckPackage.cmake script since CMake
complains to not found this script.
examples: assign default path for scripts

Assign a default path for the VleCheckPackage.cmake script since CMake
complains to not found this script.
celldevs: install missing header

The header files of the extension was missing in install part of the
CMakeLists.txt.
de: install missing header

The header files of the extension was missing in install part of the
CMakeLists.txt
fsa: install missing header

The header files of the extension was missing in install part of the
CMakeLists.txt.
petrinet: install missing header

The header files of the extension was missing in install part of the
CMakeLists.
decision: install missing header

The header files of the extension was missing in install part of the
CMakeLists.txt.
differential: install missing header

The header files of the extension was missing in install part of the
CMakeLists.
examples: install all the experiment files

The CTest have failure since multiple experiment files are missing in
binary package. We install them.
muparser: install missing header

The header files of the extension was missing in install part of the
CMakeLists.txt.
forrester: assign default path for script

Assign a default path for the VleCheckPackage script since CMake
complains to not found this script.