Merge branch 'pike-modules/sass' into 8.1
* pike-modules/sass: (79 commits)
Testsuite [Sass]: Check that Tools.Sass is available.
Sass: Hide the s8 symbol.
Sass: Use HAVE_LIBSASS instead of HAVE_SASS_H.
Sass: Clean up configure script.
Sass: Clean up acheader.h.
Sass: Removed redundant cast.
Sass: Adjusted debug message.
Sass: Fixed a few C99-isms.
Sass: Don't throw pike errors through the libsass layer.
Sass: Error messages need to end with a line feed.
Sass: Cleaned up documentation a bit.
Sass: Fix building in a separate build tree.
Sass: Generate config.h.in from acconfig.h.
Sass: Removed obsolete stuff from Makefile.in.
Sass: Removed quite a bit of stuff.