Apply compile flags consistently

[turboencabulator]

Another piece of #10:

• Update compile flags: Add $(LDFLAGS) when linking, add a missing $(CFLAGS) to contrib/norman/numarkup, move flags from $(CC) to $(CFLAGS).
• Having -Werror in the default $(CFLAGS) causes the fakepretty build to fail. Fix up those warnings/errors, and sort a few parts of the Makefile so that fakepretty (and nwmktemp) is on par with the other targets in src/c.

[nrnrnr]

Should CFLAGS and LDFLAGS be mentioned in src/INSTALL?

[turboencabulator]

I've added a mention of CFLAGS and a couple other variables to the installation steps (latest commit), rebased on your latest commit, and fixed a couple issues with gitversion.c/.o.

[nrnrnr]

Thanks! I blew my noweb budget yesterday, but I'll hope to get back to this one soon.

[nrnrnr]

In the following line,

	(cd $(LIBSRC) && $(MAKE) "ICONT=$(ICONT)" "ICONC=$(ICONC)" LIB=$(LIB) BIN=$(BIN) install)

why are the Icon assignments quoted but the LIB and BIN assignments not quoted?

[turboencabulator]

In the following line,

	(cd $(LIBSRC) && $(MAKE) "ICONT=$(ICONT)" "ICONC=$(ICONC)" LIB=$(LIB) BIN=$(BIN) install)

why are the Icon assignments quoted but the LIB and BIN assignments not quoted?

I think it was primarily for attaching flags to the Icon commands (the ICONC=iconc -f l example in src/INSTALL) rather than dealing with paths containing spaces. It probably wouldn't hurt to quote everything everywhere to handle paths with spaces, but that does make everything ugly.

[nrnrnr]

OK, let's leave it as is, then.