Use an array of schemes so that it can be re-used for mapping from
INTERNET_SCHEME back to a string and simplify the code in
GetInternetSchemeW.

The url passed in to InternetCreateUrl is an out parameter, so don't
dump it.

- handling of DIPH_BYID
- use regular id and not shifted one also for axes
- may only Acquire after SetDataFormat

%windir%\fonts has failed.

- In vshader_program_add_param, pass a pointer to the shader object
  instead of individual parameters.
- In vshader_program_add_param, rename input to is_input to make it
  clearer what the parameter does.
- Fix a typo & cleanup a comment.

implementation of IHTMLInputElement interface.

Systray is now always available as part of the desktop and doesn't
need to be started from shell32.

The /desktop option causes explorer to create and manage the desktop
window.