fixed issue 1902:SQLFORM.grid showbuttontext argument links doesn't have class button, thanks Francisco
Merge branch 'master' of github.com:web2py/web2py
Merge branch 'master' of github.com:web2py/web2py
Merge branch 'master' of github.com:web2py/web2py
Merge branch 'master' of github.com:web2py/web2py
prevent open redirects, thanks Steve Rawlinson
prevent_password_reset_attacks, thanks Steve Rawlinson