- made the date like Netscape Messenger: if today show time, if this week

- made the date like Netscape Messenger: if today show time, if this week
  show day and time, else show month day year.
- Fixed error in the way we send the "from" header -- had been sending:
  Luke Ehresman <luke@squirrelmail.org> without the quites.. needed them!
- Fixed error when parsing url messages.  If it is longer than the word
  wrap length, it doesn't wrap it.
- fixed bug reported to list about next/prev not working (needed urlMailbox)

git-svn-id: https://svn.code.sf.net/p/squirrelmail/code/trunk/squirrelmail@622 7612ce4b-ef26-0410-bec9-ea0150e637f0