(fancy-about-text): New variable.

(fancy-about-text): New variable.
(fancy-splash-delay, fancy-splash-max-time): Remove user options.
(fancy-current-text, fancy-splash-stop-time)
(fancy-splash-outer-buffer): Remove variables.
(fancy-splash-head, fancy-splash-tail): Add new optional argument
`startup' and use it to conditionally display different texts for
Startup and About screens.  Don't display Help commands on the About
screen.
(fancy-splash-screens-1): Remove function and move its content to
`fancy-splash-screens' to the part that dislpays the About screen.
(exit-splash-screen): Don't treat specially exiting from
alternating screens.
(fancy-splash-screens): Rename argument `static' to `startup'.
Fix docstring.  Remove code for displaying alternating screens.
Use arg `startup' in calls to `fancy-splash-head', `fancy-splash-tail'.
Remove let-bind for `fancy-splash-outer-buffer' and add let-bind
for `inhibit-read-only'.
(normal-splash-screen): Rename argument `static' to `startup'.
Fix docstring.  Use argument `startup' to conditionally display
different texts for Startup and About screens.  Don't display Help
commands on the About screen.  Remove `unwind-protect' `sit-for'
delay and `kill-buffer' after it.
(display-startup-echo-area-message): Remove call to
`use-fancy-splash-screens-p' because image.el is preloaded and
doesn't display "Loading image... done".
(display-splash-screen): Rename argument `static' to `startup'.
Fix docstring.