gnulib: add as a git submodule
sample.wgetrc: add links to the manual
fix GnuTLS connect timeout
doc: use GFDL 1.3
Remove some useless if statements
Fix checking the URL length when filename is specified
Prepare release 1.15
NEWS: placeholder for the new release
Introduce --no-config. The wgetrc files will not be read

In case of a conflict between --config and --no-config, the one
that appears first will be considered and the other ignored.
Merge branch 'master' into parallel-wget

Conflicts:
	src/main.c