Rename deadline to due date, update dependencies

client/src/locales/en-US/app.js

@@ -36,7 +36,7 @@ export default {
       createNewOneOrSelectExistingOne: 'Create a new one or select<br />an existing one',
       createProject_title: 'Create Project',
       date: 'Date',
-      deadline: 'Deadline',
+      dueDate: 'Due date',
       deleteBoard_title: 'Delete Board',
       deleteCard_title: 'Delete Card',
       deleteComment_title: 'Delete Comment',
@@ -48,7 +48,7 @@ export default {
       description: 'Description',
       editAvatar_title: 'Edit Avatar',
       editBoard_title: 'Edit Board',
-      editDeadline_title: 'Edit Deadline',
+      editDueDate_title: 'Edit Due Date',
       editLabel_title: 'Edit Label',
       editName_title: 'Edit Name',
       editProject_title: 'Edit Project',
@@ -119,7 +119,7 @@ export default {
       deleteUser: 'Delete user',
       edit: 'Edit',
       editAvatar_title: 'Edit Avatar',
-      editDeadline_title: 'Edit Deadline',
+      editDueDate_title: 'Edit Due Date',
       editDescription_title: 'Edit Description',
       editName_title: 'Edit Name',
       editTask_title: 'Edit Task',