Fixed anomalies in storage space usage information update

- Fixed Rmdir and Mkdir command
- Updated PutDone and Rm command
- Fixed PtP in case of automatic directory creation enabled
- Several optimizations
Removed useless code
Added forgotten files
Code optimization for Rm, Mkdir and Rmdir commands

- Moved spaceupdater instance into VirtualFS
- Removed useless exceptions
Removed useless comments
Removed useless comments
Review of the previous commit with several optimization
Fixed previous commit errors
Reformatted using new code style
Merge branch 'develop' into fix/STOR-678

* develop:
  Merged from develop.
  Towards proper authorization.
  Handle releaseFiles request without token.
  Tentative fix for STOR-459
  More work towards fix.
  Remove class diagrams.
  More work for fix/STOR-459
  More work for fix/STOR-459
  Towards a fix for STOR-459
  First steps in fixing STOR-459

Conflicts:
	src/main/java/it/grid/storm/asynch/PtP.java
	src/main/java/it/grid/storm/catalogs/SurlMultyOperationRequestData.java
	src/main/java/it/grid/storm/synchcall/command/datatransfer/AbortFilesCommand.java
	src/main/java/it/grid/storm/synchcall/command/datatransfer/AbortRequestCommand.java
	src/main/java/it/grid/storm/synchcall/command/datatransfer/PtGAbortExecutor.java
	src/main/java/it/grid/storm/synchcall/command/datatransfer/PtPAbortExecutor.java
	src/main/java/it/grid/storm/synchcall/command/datatransfer/PutDoneCommand.java
	src/main/java/it/grid/storm/synchcall/command/directory/RmCommand.java
	src/main/java/it/grid/storm/synchcall/surl/ModifiableReturnStatus.java
Fixed NULL token issue
Rollback to old field assignments to prevein polimorphism issues
Several optimizations

Removed useless exception InvalidTReturnStatusAttributeException
Simplified SURLStatusStoreIF
Others
Removed useless commented code
Merge branch 'develop' into fix/STOR-678

Conflicts:
	src/main/java/it/grid/storm/catalogs/SurlMultyOperationRequestData.java
Merge branch 'develop' into fix/STOR-678

Conflicts:
	src/main/java/it/grid/storm/catalogs/SurlMultyOperationRequestData.java
Merge pull request #32 from italiangrid/fix/STOR-678

Fixed space information update and several code optimizations