line up remember me checkbox with the text input fields
reduce the content region width on auth forms (profile, login, register & resend password) to match the fieldset
put some whitespace between form submit button and fieldset bottom border
unwind the width narrowing commit
adjust spacing to match standard 1.4em grid
Merge pull request #172 from splitbrain/newtpl_formsadjustments

Some tidying up of the "auth" forms in the 'dokuwiki' template