new files

Signed-off-by: Tomas Neme <lacrymology@gmail.com>
Mosto.Playlist and Mosto.Collection models

Signed-off-by: Tomas Neme <lacrymology@gmail.com>
Fetch object constructor and basic skeleton

Signed-off-by: Tomas Neme <lacrymology@gmail.com>
addPlaylist

Signed-off-by: Tomas Neme <lacrymology@gmail.com>
updatePlaylist

Signed-off-by: Tomas Neme <lacrymology@gmail.com>
when the playlists collection is updated, emit signal

Signed-off-by: Tomas Neme <lacrymology@gmail.com>
on remove, remove it from the collection

Signed-off-by: Tomas Neme <lacrymology@gmail.com>
send events on all changes

Signed-off-by: Tomas Neme <lacrymology@gmail.com>
reminder doc

Signed-off-by: Tomas Neme <lacrymology@gmail.com>
whitespace