[FIX]Fixed the issue of file input widget which is not working in firefox and IE.
[FIX]Re-Fixed the issue of file input widget which is not working in firefox and IE.
[MERGE] [FIX] upload widget: avoid overflow making impossible to click on other buttons than the first one (opw 603125)
[MERGE] forward port of branch 7.0 up to revid 4169 mat@openerp.com-20140407120612-mjb08yts2oa4k4jz