live along core 'body' fields)

#110570 add prefix and suffix option to number and css to display it properly, based on patch by yojoe

 in content.module)

 (the path does not exist anymore)

#108302 Add formatters for numbers and be sure non-numeric data is not stored, patch by Eaton and me

 Karen and myself

+ remove extraneous dot in dropdown selector "No group." option

 (forgot one occurrence)

 when maxlength left empty - I forgot one #maxlength = '' occurrence

- updated some invalid strings for translation
- updated .pot file

Added one missing check for the presence of fields

 a 'table does not exist' error when deleting a node whose content type was previously
 deleted - related to #107237 core "bug ?"
This area (handle content-type deletion) is still funky and probably needs some more
 work