* cmake changes to support conf.d
* php changes to support conf.d
* perl changes to support conf.d
* C changes to support conf.d
* add conf.d support to rpmspecfile
* fix typo
* specify ZM_CONFIG_SUBDIR in relevant target distros
* put back my config_file perl definition
* remove quotes from ZM macros
* fix snprintf
* add README to conf.d folder
* adjust rpm specfile
* remove custom permissions from README in rpmspecfile
* modify rpm README documentation to reflect conf.d support
* set ZM_CONFIG_SUBDIR in debian rules file
Andrew Bauer