(cogre-srecode-add-attr): Make sure all quotes are quoted for VALUE.
(semantic-analyze-possible-completions-default): Add `no-longprefix
FLAG.  When used, the prefix and prefixtypes are shortened to just the
last symbol.
(semantic-mode): Add/remove 3 completion-at-point-functions.
(semantic-completion-at-point-function): Removed.
(semantic-analyze-completion-at-point-function)
(semantic-analyze-notc-completion-at-point-function)
(semantic-analyze-nolongprefix-completion-at-point-function): New
completion at point functions.