Remove trailing whitespace.
Remove sidplay1 support.
sid: Remove support for incompatible sidplay2 variants.
sid: ReSID is the only supported builder.
sid: Port to sidplayfp. Closes: #173.
sid: Remove some cruft.
sid: Audio is always 16-bit in sidplayfp. Remove sampling rate conversions since we can do this elsewhere.
sid: Get rid of "template" header.
sid: Remove a bunch more cruft. sidplayfp is now hard-coded.
Customized m4 macros for sid are no longer needed.
sid: Cleanup.
sid: De-GLib-ize where possible. More cleanup.