take custom first and last names from export UI

services/web/app/coffee/Features/Exports/ExportsController.coffee

@@ -7,7 +7,17 @@ module.exports =
 	exportProject: (req, res) ->
 		{project_id, brand_variation_id} = req.params
 		user_id = AuthenticationController.getLoggedInUserId(req)
-		ExportsHandler.exportProject project_id, user_id, brand_variation_id, (err, export_data) ->
+		export_params = {
+			project_id: project_id,
+			brand_variation_id: brand_variation_id,
+			user_id: user_id
+		}
+
+		if req.body && req.body.firstName && req.body.firstName
+			export_params.first_name = req.body.firstName
+			export_params.last_name = req.body.lastName
+
+		ExportsHandler.exportProject export_params, (err, export_data) ->
 			return next(err) if err?
 			logger.log 
 				user_id:user_id

services/web/app/coffee/Features/Exports/ExportsHandler.coffee

@@ -10,8 +10,8 @@ settings = require 'settings-sharelatex'
 
 module.exports = ExportsHandler = self =
 
-	exportProject: (project_id, user_id, brand_variation_id, callback=(error, export_data) ->) ->
-		self._buildExport project_id, user_id, brand_variation_id, (err, export_data) ->
+	exportProject: (export_params, callback=(error, export_data) ->) ->
+		self._buildExport export_params, (err, export_data) ->
 			return callback(err) if err?
 			self._requestExport export_data, (err, export_v1_id) ->
 				return callback(err) if err?
@@ -19,7 +19,10 @@ module.exports = ExportsHandler = self =
 				# TODO: possibly store the export data in Mongo
 				callback null, export_data
 
-	_buildExport: (project_id, user_id, brand_variation_id, callback=(err, export_data) ->) ->
+	_buildExport: (export_params, callback=(err, export_data) ->) ->
+		project_id = export_params.project_id
+		user_id = export_params.user_id
+		brand_variation_id = export_params.brand_variation_id
 		jobs =
 			project: (cb) ->
 				ProjectGetter.getProject project_id, cb
@@ -43,6 +46,10 @@ module.exports = ExportsHandler = self =
 				logger.err err:err, project_id: project_id
 				return callback(err)
 
+			if export_params.first_name && export_params.last_name
+				user.first_name = export_params.first_name
+				user.last_name = export_params.last_name
+
 			export_data =
 				project:
 					id: project_id