Upload files fixes

* Review this functionality to remove complete/incomplete uploaded files from memory
* Delegated on ControllerUtils
* Add scheduled task to clean incomplete uploads
File browser beta version

Changes on file browser component for estjs integration
made multiple file browser available
implemented spring security
Merge branch 'master' into mariss_14_va-sp-serviceID
allow multiple instances of filebrowser
File upload review

* Delegate on a service
* Improve file upload time
 * Use only one file for each file upload (appending bytes)
 * Use move instead copy content
Merge pull request #4 from alediator/mariss_14_va-sp-serviceID_3

File upload review