init worker
Merge branch 'master' into webworker
Begin to integrate ajax queries in the worker, add underscore.js to have
access to some good utility functions on the worker.
Merge branch 'master' into webworker
First TrainWorker step : the worker now execute the ajax requests.
Add Train() Object creation loop into the web worker.
Avancement on tranfering circulations requests on a webworker, (filters,
....)
Comment console.log() that does not works on firefox.
Repair replay/histo mode.
Oops
Gestion du last_check/last_update
Merge branch 'master' into webworker

Conflicts:
	index.html
Merge branch 'master' into webworker

Conflicts:
	index.html
	static/raildar/Train.js
Merge branch 'master' into webworker

Conflicts:
	index.html