Release 1.0 spec

Release 1.0 features are listed here.

Features:

1. Login & logout
2. Basic playback controls
3. Shuffle & repeat
4. Play songs from the selected playlist
5. Song list filter
6. Working playlists with persistency
7. Modify user settings (username, email and password)
8. Connect Last.fm account
9. Single music path
10. Re-index media library (needs UX improvements)

Crossed features have been implemented 100%

Bugs:

1. Fix the character encoding bug