quicklispPackages: update

Escape things by default in derivation names (i.e. digit cannot be the
first character etc.)

Update Quicklisp (tracking upstream); list new missing dependencies

Add some minimal README about ql-to-nix

pkgs/development/lisp-modules/README.txt

@@ -0,0 +1,16 @@
+Prerequisite: have Quicklisp installed somehow.
+
+Add to LD_LIBRARY_PATH all the things listed in quicklisp-to-nix-overrides.nix
+for library propagatedBuildInputs (a lot of these are done via addNativeLibs).
+
+Current list is:
+openssl fuse libuv mariadb libfixposix libev sqlite
+
+Add the needed system names to quicklisp-to-nix-systems.txt and load
+quicklisp-to-nix/ql-to-nix.lisp and call
+(ql-to-nix "/path/to/nixpkgs/pkgs/development/lisp-modules/") which is often
+just (ql-to-nix ".")
+
+Add native libraries and whatever else is needed to overrides.
+
+The lispPackages set is supposed to be buildable in its entirety.