[V1S3 US9] : Implementation working services.
[V1S3 US9] : Intermediate commit (started GUI part)
Merge branch 'master' into US9
[V1S3 US9] : Added GUI + stores + changed implementation for not to get the same concept in list.
Merge branch 'master' into US9
[V1S3 US9] : Added visual icons.
[V1S3 US9] : Final commit on GUI part - services finished, everything is ready for next task.
Merge branch 'US9'

Conflicts:
	ginco-impl/src/main/java/fr/mcc/ginco/services/ThesaurusConceptServiceImpl.java
Merge remote-tracking branch 'origin/master'