[PATCH 1 of 3] Moved hgweb.check_perm outside the class and added multiple permission checking

[timeless]

i'm aware some of this is just moving broken english, mg/djc can poke
this later if you don't want to...

Martin Vejnar <avakar at ratatanek.cz> wrote:
> +def check_perms(ui, req, ops):
> +    '''Check permission for operation based on request data (including

check for permission to perform operation based on...

> +    ui.debug('checking permissions to perform %s as %s\n' % (ops, user))

checking for permission to perform ...