The storage pool path should be allowed to contain '-' and '_'

[Regan-He]

Please review the storages/forms.py file that contains the major changes, and the rest of the files are only optimized for code structure.

Valid linux folder paths: /home/regan/my_vm /home/regan/my-vm /home/regan/_my-vm

Signed-off-by: herengui herengui@uniontech.com

[catborise]

Thank you very much. Code changes are more python like :) Java code style to python conversion is nice to see. Thanks…