Merge tag 'v1.1' into debian

NSCA-ng 1.1

* tag 'v1.1':
  NSCA-ng 1.1
  NEWS: Cosmetic change
  man/nsca-ng.cfg.in: Add "chroot" example
  contrib/invoke_check: Survive exit codes != 0
  New send_nsca(8) option: "-e <separator>"
  Support "hosts" patterns in "authorize" sections
  etc/nsca-ng.cfg: Apply minor corrections
  Cosmetic changes in M4 macro calls
  tests/auth.at: Add service check test case
  README: Fix typo
  Let send_nsca(8) ignore empty input lines
  Link against libdl only if necessary
  configure.ac: Support --disable-maintainer-mode
  Add a THANKS file
  Add a directive to chroot(2) at startup
  Cosmetic change: replace 0 with NULL
  build-aux/generate-change-log: s/python/perl/
  README: Slightly improve wording
  build-aux/man2ps: Remove outdated comment

Conflicts:
	etc/nsca-ng.cfg
NSCA-ng 1.1, Debian package