move #include "xfloat.h" out of axlgen.h

and explicitly into each file that uses it (#9)
removed redundanet #include "symbol.h"
moved out sexpr and table from axlgen
moved out priq.h
moved out ccode and path
moved out dnf and file
moved out more includes from axlgen
moved out strops; this concludes axlgen.h cleanup
moved out store.h from axlgen0.h
Merge branch 'pvs/include-restructure' of github.com:pippijn/aldor into pvs/include-restructure

Conflicts:
	aldor/aldor/src/buffer.c
	aldor/aldor/src/cfgfile.c
	aldor/aldor/src/fname.c
	aldor/aldor/src/format.c
	aldor/aldor/src/list.c
	aldor/aldor/src/list_t.c
	aldor/aldor/src/msg.c
	aldor/aldor/src/path.c
	aldor/aldor/src/strops.c
	aldor/aldor/src/symbol.c
	aldor/aldor/subcmd/unitools/unicl.c
moved out debug from axlgen0.h
moved out axlport.h from axlgen0.h
moved out opsys.h
Merge branch 'master' into pvs/include-restructure
fix old buildsystem (closes #12)
don't build java tests with --disable-java (#13)
added missing #includes to test code
add missing includes; move some local decls to headers
move genfoam.h out of axlphase.h
move tinfer.h out of axlphase.h