Rationalise whitespace to 4 space indentation with no trailing spaces

RHSrvAny.c was using a mixture of 4 space indentation, and tabs with a width of
4. This commit rationalises the whitespace to use only 4 space indentation, and
removes trailing whitespace.
Allow service name to be given on the command line
Remove problematic swprintf_s

Using swprintf_s results in a link error when executed on Windows 2003. Given
that its use isn't important here and an alternative is already available, this
change simply removes it.
Declare non-exported functions static
Make install directive use service name explicitly

install now sets ImagePath to be: <BINPATH> -s <SVCNAME>
Add uninstall command