Update CLI command setting-compaction to include GSI compaction setting

http://developer.couchbase.com/documentation/server/4.5/cli/cbcli/setting-compaction.html

couchbase-cli setting-compaction command only includes data and view index. We need to add GSI index settings.

proposal [TBD] Cihan Biyikoglu

couchbase-cli setting-compaction -c [host]:8091 -u [admin] -p [password]
[options]

--compaction-gsi-write-mode [append | circular]
for append mode --compaction-gsi-percentage=PERCENTAGE
for circular mode --compaction-gsi-interval=default [all days | 0 - 6

]
--compaction-period-from=HH:MM
--compaction-period-to=HH:MM
--enable-compaction-abort=[0|1]
--enable-compaction-parallel=[0|1]