Feature #5157 - Gallery Photo to Media.
- Modifying centralized Unit Tests classes
- Adding a new permalink management into URLManager
- Adding management of undefined dates into Datable and Period models (adding the definition of an immutable undefined period)
- Fixing a problem around the display of the screen that permits to add a media on the PDC.
- Adding new feature to complex comparator in order to put at bottom of a list not defined strings in a comparison.
- Adding useful tools in order to write SQL queries easily and more readable

Conflicts:
	lib-core/src/main/java/com/silverpeas/calendar/Datable.java
update feature #5157 add common message bundle
add common icon
Feature #5157 - Improving SQL useful tools.
Feature #5157 - Wiring new media model into EJB and extra Gallery application consumer.
(adapting social network too)
Feature #5157 - Modifying the definition of the select row processor abstraction.
Feature #5157 - Fixing a missing...
Feature #5157 - Improving common tools :
- user role retrieving
- persistence context
- chained processes
Feature #5157 - adding a new tag into view generator library : NavigationListTag and NabigationListItemTag
Feature #5157 - refactoring of album view page
(overriding HTML TAGS in order to stamp form and a with security token)
(the window context is set into REQUEST scope)
(improving pagination TAG)
(adding pagination tools)
(fixing string template from components)
(fixing PDC query problems)
(adding JSTL function in order to perform string split on white spaces)

Conflicts:
	web-core/src/main/java/com/stratelia/webactiv/util/viewGenerator/html/window/WindowTag.java
update feature #5157 udpate video form

Conflicts:
	web-core/src/main/java/org/silverpeas/servlets/OnlineFile.java
Feature #5157 - fixing unit tests
Feature #5157 - fixing some conflicts
Feature #5157 - refactoring some code
Feature #5157 - Refactoring some codes into REST Web services
Feature #5157 - referencing FLV mime type :
- wiring FilenameUtils into FileUtil for getFilename method
- adding unit tests
feature #5157 add lucene query checker (front office)
Feature #5157 - upgrading common CRUD displayer
(changing the path of flowplayer)
feature #5157 fixing flowplayer access
Feature #5157 - adding a new version of flowplayer.
(the old version is kept and is always used by <view:video .../>)

Conflicts:
	lib-core/src/main/java/com/silverpeas/form/displayers/VideoPlayer.java
Feature #5157 - upgrading tika API from 1.3 to 1.5 version
(adding flowplayer audio plugin)
(handling some new metadata on video and sounds)
(adding a new JSTL function : truncate that is able to truncate a string according to a specified length)
(adding a new JSTL function : handle time data)
(MSG sent date is now well read)
(fixing ids attribution of CRUD HTML TAGs)