Upgrade lodash to v4 and lint more files (#8495)

* common: import lodash modules separately

* remove test/content from .eslintignore, fix with eslint --fix content/index

* lint test/content

* lint content/index except for lodash methods

* upgrade server/models

* upgrade server/middlewares and server/libs

* port server/controllers/top-level

* port server/controllers/api-v3

* port views and tests

* client old port lodash and _(, missing _.

* upgrade client-old

* port common/script (root level files only)

* port common/script/fns

* port common/libs

* port common/script/ops

* port common/script/content and common/script/libs/shops.js

* misc fixes

* misc fixes

* misc fixes

* more tests fixes

* fix payments test stubbing, down to 2 failing tests

* remove more instances of lodash wrapping

* fix bug where toObject does not clone object

* fix tests

* upgrade migration or add lodash 4 note

* update shrinkwrap

* fix linting

* upgrade eslint-config-habitrpg

* update shrinkwrap

* recompile shrinkwrap

website/server/libs/preening.js

@@ -7,8 +7,10 @@ function _aggregate (history, aggregateBy) {
     .groupBy(entry => { // group entries by aggregateBy
       return moment(entry.date).format(aggregateBy);
     })
-    .sortBy((entry, key) => key) // sort by date
-    .map(entries => {
+    .toPairs() // [key, entry]
+    .sortBy(([key]) => key) // sort by date
+    .map(keyEntryPair => {
+      let entries = keyEntryPair[1]; // 1 is entry, 0 is key
       return {
         date: Number(entries[0].date),
         value: _.reduce(entries, (previousValue, entry) => {