Updated http call to storage-area-list configuration version 1.2
Updated authorization alghorithm for both webdav and filetransfer
services
abort requests doesn't affect the returned error
Fixed HttpClient creation
Forcing to anonymous removed
Fixed the storage area permissions evaluation algorithm of root page
requests
Useless code removed
Authorization refactored
Fixed returned error codes
Little adjustments
Other adjustments
Cosmetic fixes
Merge pull request #7 from italiangrid/fix/STOR-465

Fix/stor 465