fix onchange listener
remove useless log
put first shapes of the configuration wizard
change default windows size
make first screen cleaner
progress toward a full wizard on node-webkit side
change replication parameters to an option hash
start removing promises
remove promises
fix already existing file case and folder creation
better integration of frontend and backend
add tasks for backend building
add first steps of syncing management through the GUI
put sync back
[ref] Remove promises from filesystem.coffee + bugfixes