switch from mongoose to mongojs in ClsiManager

for efficiency

services/web/app/coffee/Features/Compile/ClsiManager.coffee

@@ -3,6 +3,7 @@ async = require "async"
 Settings = require "settings-sharelatex"
 request = require('request')
 Project = require("../../models/Project").Project
+ProjectGetter = require("../Project/ProjectGetter")
 ProjectEntityHandler = require("../Project/ProjectEntityHandler")
 logger = require "logger-sharelatex"
 Url = require("url")
@@ -120,7 +121,7 @@ module.exports = ClsiManager =
 	VALID_COMPILERS: ["pdflatex", "latex", "xelatex", "lualatex"]
 
 	_buildRequest: (project_id, options={}, callback = (error, request) ->) ->
-		Project.findById project_id, {compiler: 1, rootDoc_id: 1, imageName: 1, rootFolder:1}, (error, project) ->
+		ProjectGetter.getProject project_id, {compiler: 1, rootDoc_id: 1, imageName: 1, rootFolder:1}, (error, project) ->
 			return callback(error) if error?
 			return callback(new Errors.NotFoundError("project does not exist: #{project_id}")) if !project?
 			console.log "PROJECT", project, JSON.stringify(project.rootFolder,null,2)