**Changelogs**
sysutils/logstash5
* Update to 5.6.6
* Constrain to amd64 due to embedded JRuby C extensions
* DRY for install directory in PLIST
* Avoid installing JNI libs for foreign archs
* Strip embedded JNI libs
* Purge non-7bit chars from pkg-descr
textproc/elasticsearch5-x-pack
* Update to 5.6.6
* Define LICENSE variables
* DRY in RUN_DEPENDS
* Mark port architecture-neutral
* Avoid installing embedded libs for foreign archs
textproc/elasticsearch5
* Update to 5.6.6
* Use relative symlink to plugin directory
* Depend on devel/jna instead of bundled JAR
* Discard deprecated, duplicative unexec lines from PLIST
textproc/kibana5-x-pack
* Update to 5.6.6
* Define LICENSE variables
* DRY in RUN_DEPENDS
* DRY for install directory in PLIST
textproc/kibana5
* Update to 5.6.6
**QA**
- portlint: OK
- poudriere: OK -- testport and bulk