Reorganize Custom groups.

Reorganize Custom groups.

* cus-edit.el (processes): Remove from development group.
(oop, hypermedia): Delete group.
(net): New group.

* url/url-vars.el (url):
* net/browse-url.el (browse-url):
* net/xesam.el (xesam):
* net/tramp.el (tramp):
* net/goto-addr.el (goto-address):
* net/ange-ftp.el (ange-ftp): Put in net group.

* view.el (view): Remove from editing group.

* uniquify.el (uniquify): Put in files group.

* net/browse-url.el (browse-url):
* ps-print.el (postscript): Put in external group.

* cus-edit.el (outlines):
* textmodes/text-mode.el (text-mode-hook):
* textmodes/table.el (table):
* textmodes/picture.el (picture):
* outline.el (outlines): Put in wp group.

* nxml/nxml-mode.el (nxml): Remove from wp group.

* net/tramp-imap.el (tramp-imap): Put in tramp group.

* mail/metamail.el (metamail): Remove from hypermedia group.

* cus-edit.el (abbrev):
* whitespace.el (whitespace):
* vcursor.el (vcursor):
* reveal.el (reveal):
* hl-line.el (hl-line): Put in convenience group.

* epg-config.el (epg): Put in data group.

* emulation/pc-select.el (pc-select): Put in emulations group.

* calculator.el (calculator): Put in applications group.

* org/org.el (org): Remove from hypermedia group.