take memcached.json maxconn values from dedicated config field

Change-Id: I1048a279544749cdd1fd80aacc0164c1a7a5ece0
config reload amend

Change-Id: Idc25205810d94fae59703efb8188bae7d1463d8e
config reload amend

Change-Id: Icc2f25301fe11fd6c2c2cae757870309f335b935
made maxconns and verbosity memcached params global

Change-Id: I58e9fa8e2adae1d6bc38166ec98798c5224fca50
wip: mcd settings rest

Change-Id: Ia64510ad7f329fe71a8e2fe342bbacbc063412c5
hot reload amend

Change-Id: I331f9c48f2710f559525b5d0f7d676182b8f2185
rest api amend

Change-Id: I36ae25a4117f0dd7f1c6ceb86df82f4093cac440
mark

Change-Id: Ic15c91d9c67cab7d8ad9ff0d76f95442f114eed1
mark

Change-Id: I1231f272ade1cd782434e537f1fcbb4830865687
mark

Change-Id: Iab504dc4d1986252d1f3f2705a28844e2d4bbafd
config upgrade part 1

Change-Id: Ib81e9699f960348a3c3b9467d95776fa0727ceb8
config upgrade part 2

Change-Id: I5f98a8b4fef3ca413f51ff08080c2e86d14932d6