closes feature #2058
Merge branch 'master' of github.com:Silverpeas/Silverpeas-Components
Merge branch 'master' of github.com:Silverpeas/Silverpeas-Components
Remove old directory
Remove old feature
Merge branch 'master' of github.com:Silverpeas/Silverpeas-Components
Merge branch 'master' of github.com:Silverpeas/Silverpeas-Components
feature #5515 fixing MSSQL server and Oracle migration script
feature #5157 sprint1 adding JUnit test
feature #5157 change gallery application description
Feature #5157 - Modifying the database model of the Gallery application.

Conflicts:
	gallery/gallery-ejb/src/test/resources/com/silverpeas/gallery/dao/media_order_dataset.xml
Feature #5157 - PhotoPK to MediaPK.

Conflicts:
	gallery/gallery-ejb/src/test/java/com/silverpeas/gallery/dao/PhotoDaoTest.java
Feature #5157 - Creating Media model.
Adding Gallery component setting provider (and wiring the folder name prefix of a media).
Feature #5157 - Creating Media model.
Modifying into DB model TIMSTAMP to INT8 in order to manipulate the temporal data easily (SQL writing)
Feature #5157 - Creating the DAO associated to media management.
Feature #5157 - Adapting some code.
update feature #5157 Change photo preview and photo edit/create
Feature #5157 - Migrating OrderDAO to the new database model.
Feature #5157 - Wiring new media model into EJB and extra Gallery application consumer.
Feature #5157 - Postgres migration.