Feature #2815 & #3146 : Space quota disk & Component file filter

- adding a new cache service : cache associated to the current thread
- adding new common annotations in order to specify service methods
- adding tools to work on annotations
- adding a new PasteDetail extension around primary keys (from / to)
- adding the possibility to communicate dummy files in order  to take them in account in process management checks
- adding annotation associated to an engine that handles simulation action process checks on services
- adding dummy handled file Attachment (SimpleDocument) converter
- adding dummy handled file Thumbnail converter
- centralizing the getting of the MaximumFileSize parameter value
- fixing some little problems around the data storage quota (in back-office)
- handling document import
- adding a new system of message notification to handle functional severe, error, success, information, warning messages to display to the user
- removing old use of notifier
- wiring the new use of notification
- adding new jstl tags to display last user CRUD action box and to display gauges
- modifying the view space page in order to modernize it and to use the gauges plugins
- refactoring some code

Don't forget to get the linked PR from Silverpeas-Components