Wait/progress bar

Waitbar and progressbar from a common class

Wait/progress bar consists of a class able to provide:

• A waitbar, for a standalone usage (see "waitbar" function),

• A progressbar, for a usage inside a UI figure (see "uiprogressdlg" function).

Both kinds of bar are interruptible and provide the following informations:

• The current progression as a percentage,
• The estimated time remaining,
• The estimated time of arrival.