Remove bootstrap module from bootstrap configuration

* bootstrap.conf: remove bootstrap
Update gnulib
comment out some compiler warnings

* src/Makefile.am
Update gnulib
update bootstrap from gnulib

* bootstrap: updated to latest gnulib version
Upgrade to GPL3 to match rest of code

* test/lib.scm: moved to GPL3
Remove some if-before-free

* src/func.c (cl_easy_setopt): remove if-before-free
Whitespace

* AUTHORS
* README-hacking
* TODO
Reword some xrefs

* doc/guile-curl.texi: modified
Ignore some 'make syntax-check' tests

* cfg.mk: add tests to ignore
Missing config.h in test runner

* test/check_type.c: add config.h
All curl-easy-perform to split body and header

* src/curl.scm.in (curl-easy-perform): add parameter to split body and header
* src/func.c (cl_easy_perform): add parameter to split body and header
* src/func.h: update declaration of cl_easy_perform
Document curl-easy-perform API change

* doc/guile-curl.texi (curl-easy-perform): document API change
Document  the encoding problems of HTTP requests

* doc/guile-curl.texi: updated