Update Process_upload.py

Adding FlagFiles as a folder to avoid.
Saving the flagfiles

Saving the flagfiles in a specific folder in the upload dir
Checking processes

Checking processes running from the flagfile and notify the user if there is a problem with it.
Update Process_upload.py
Update Process_upload.py
Update Process_upload.py
Update Process_upload.py
Update Process_upload.py

Removing old value
Update Process_upload.py
Update Process_upload.py

adding import for sending emails
Update Process_upload.py

import missing
Update Process_upload.py

Fixing the emails display
Update Process_upload.py
Update Process_upload.py

Changing the path. Need to be test before pull request.
Update XnatUtils.py

Adding .strip() to avoid trouble if space at the end of the path
Update Process_upload.py
Upload Failed FS

Checking the XML path in the assessor path for FS to avoid error when uploading failed FS.
Update Process_upload.py

Fixing email addresses TO in function
Merge pull request #17 from VUIIS/Flagfile_folder

Flagfile folder