[FIX] issue in splitting field paths for export: would create empty path sections because too eager
[FIX] issue in splitting field paths for export: would create empty path sections because too eager

do replacement in two passes of re-base replacement: replace old-style 'field:id' and 'field.id' in resp. 'field/id' and 'field/.id', don't touch anything else (especially not 'field/.id') and leave them through instead.

akretion/openerp-server,akretion/openerp-server,akretion/openerp-server