JSON: Fixed escaping of keys for scalar values
Merge branch 'master' of github.com:NagiosEnterprises/nagioscore

* 'master' of github.com:NagiosEnterprises/nagioscore:
  runcmd: Fix build when we don't HAVE_SETENV.
  Fix checkresult output processing (again).
  Macros: Strip/escape long output macros again.