bugfix: when the user cannot access google at all (and hangs), the google analytics tracking code should not block the whole page from displaying.
improved the anchor generator a bit: now also convert "&" to "and".
added the "html" target to Makefile; also added gen-html-index-*.pl to the dependency list in the build system.
Merge branch 'css-style'
Merge branch 'css-style'
Merge remote-tracking branch 'origin/css-style'