browser console warnings when running develop task

[thescientist13]

Seeing this only in dev mode as a result of #24 / #37

14:31:39.070 client:40 ./~/@angular/core/src/linker/system_js_ng_module_factory_loader.js
57:15 Critical dependency: the request of a dependency is an expression
CriticalDependencyWarning: Critical dependency: the request of a dependency is an expression
    at SystemImportContextDependency.getWarnings (/Users/obuckley/Workspace/thegreenhouseio/angular-webapp-seed/node_modules/webpack/lib/dependencies/SystemImportContextDependency.js:23:4)
    at /Users/obuckley/Workspace/thegreenhouseio/angular-webapp-seed/node_modules/webpack/lib/Compilation.js:645:21
    at Array.forEach (native)
    at /Users/obuckley/Workspace/thegreenhouseio/angular-webapp-seed/node_modules/webpack/lib/Compilation.js:644:22
    at Array.forEach (native)
    at Compilation.reportDependencyWarnings (/Users/obuckley/Workspace/thegreenhouseio/angular-webapp-seed/node_modules/webpack/lib/Compilation.js:643:9)
    at Compilation.<anonymous> (/Users/obuckley/Workspace/thegreenhouseio/angular-webapp-seed/node_modules/webpack/lib/Compilation.js:505:8)
    at Array.forEach (native)
    at Compilation.finish (/Users/obuckley/Workspace/thegreenhouseio/angular-webapp-seed/node_modules/webpack/lib/Compilation.js:504:15)
    at Compiler.<anonymous> (/Users/obuckley/Workspace/thegreenhouseio/angular-webapp-seed/node_modules/webpack/lib/Compiler.js:466:16)
    at /Users/obuckley/Workspace/thegreenhouseio/angular-webapp-seed/node_modules/webpack/node_modules/tapable/lib/Tapable.js:225:11
    at Compilation.<anonymous> (/Users/obuckley/Workspace/thegreenhouseio/angular-webapp-seed/node_modules/webpack/lib/Compilation.js:452:10)
    at /Users/obuckley/Workspace/thegreenhouseio/angular-webapp-seed/node_modules/webpack/lib/Compilation.js:423:12
    at /Users/obuckley/Workspace/thegreenhouseio/angular-webapp-seed/node_modules/webpack/lib/Compilation.js:335:10
    at /Users/obuckley/Workspace/thegreenhouseio/angular-webapp-seed/node_modules/async/lib/async.js:52:16
    at done (/Users/obuckley/Workspace/thegreenhouseio/angular-webapp-seed/node_modules/async/lib/async.js:246:17)
warnings @ client:40
sock.onmessage @ client:82
EventTarget.dispatchEvent @ eventtarget.js:51
(anonymous) @ main.js:274
SockJS._transportMessage @ main.js:272
EventEmitter.emit @ emitter.js:50
WebSocketTransport.ws.onmessage @ websocket.js:35
wrapFn @ zone.js:636
ZoneDelegate.invokeTask @ zone.js:225
Zone.runTask @ zone.js:125
ZoneTask.invoke @ zone.js:293