* rfxswf: modules/swfshape doesn't allow changing to fillstyle 0
* consistent output handling if -o is missing. (out.swf/stdout)
* swfcombine: Allow substituting frames (which have a name), too?
+ * swfcombine: Allow ids instead of names
* make more stuff dependent on the information in config.h
+ * autoconf: rfxswf and pdfswf are build always when running "make install"
Cleanups in rfxswf-lib: