added test to check compile should continue on error downloading http

resource

also improved logging

services/clsi/app/coffee/ResourceWriter.coffee

@@ -58,7 +58,7 @@ module.exports = ResourceWriter =
 			if resource.url?
 				UrlCache.downloadUrlToFile project_id, resource.url, path, resource.modified, (err)->
 					if err?
-						logger.err err:err, "error downloading file for resources"
+						logger.err err:err, project_id:project_id, path:path, resource_url:resource.url, modified:resource.modified, "error downloading file for resources"
 					callback() #try and continue compiling even if http resource can not be downloaded at this time
 			else
 				fs.writeFile path, resource.content, callback

services/clsi/test/unit/coffee/ResourceWriterTests.coffee

@@ -1,6 +1,6 @@
 SandboxedModule = require('sandboxed-module')
 sinon = require('sinon')
-require('chai').should()
+should = require('chai').should()
 modulePath = require('path').join __dirname, '../../../app/js/ResourceWriter'
 path = require "path"
 
@@ -94,7 +94,7 @@ describe "ResourceWriter", ->
 					path: "main.tex"
 					url: "http://www.example.com/main.tex"
 					modified: Date.now()
-				@UrlCache.downloadUrlToFile = sinon.stub().callsArg(4)
+				@UrlCache.downloadUrlToFile = sinon.stub().callsArgWith(4, "fake error downloading file")
 				@ResourceWriter._writeResourceToDisk(@project_id, @resource, @basePath, @callback)
 
 			it "should ensure the directory exists", ->
@@ -110,6 +110,9 @@ describe "ResourceWriter", ->
 			it "should call the callback", ->
 				@callback.called.should.equal true
 
+			it "should not return an error if the resource writer errored", ->
+				should.not.exist @callback.args[0][0]
+
 		describe "with a content based resource", ->
 			beforeEach ->
 				@resource =