updated core to 1.2.4, fixed pico_device init bug

zto/controller/migrate-sqlite/migrate.js

@@ -95,7 +95,6 @@ async.series([function(nextStep) {
 				creationTime: parseInt(row.creationTime)||0,
 				enableBroadcast: !!row.enableBroadcast,
 				ipAssignmentPools: [],
-				lastModified: Date.now(),
 				multicastLimit: row.multicastLimit||32,
 				name: row.name||'',
 				private: !!row.private,
@@ -177,7 +176,6 @@ async.series([function(nextStep) {
 				ipAssignments: [],
 				lastAuthorizedTime: (row.authorized) ? Date.now() : 0,
 				lastDeauthorizedTime: (row.authorized) ? 0 : Date.now(),
-				lastModified: Date.now(),
 				lastRequestMetaData: '',
 				noAutoAssignIps: false,
 				nwid: row.networkId,