résolution bug 121
domain-services : mutualize call to utility
[maven-release-plugin] prepare release 2.0.0-beta4-pre49
[maven-release-plugin] prepare for next development iteration
Merge pull request #172 from hajaUR1/develop

Develop
[maven-release-plugin] prepare release 2.0.0-beta4-pre50
[maven-release-plugin] prepare for next development iteration
Merge pull request #173 from hajaUR1/ft-optim-Util

domain-services : mutualize call to utility
[maven-release-plugin] prepare release 2.0.0-beta4-pre51
[maven-release-plugin] prepare for next development iteration