Yes, it's true. The manga will end in Spring 2015, and the anime will adapt the manga in it's entirety. Here's the source for that.
Salut, je me permets de te répondre en français, tu as les les deux coffrets bluray disponible sur amazon.
C'est importé d'Italie, et ça devrait être compatible avec nos lecteurs bluray. Attention, il semblerait qu'il n'y ait que les sous-titres en anglais.
Voici les deux liens : le premier, et le second.
FYI, there isn't a season 2 in progress. The most that there is, is a fan work which if I recall correctly retcons the original ending, and as far as I'm aware it is not licensed and in all likelihood going to get DMCA'd as soon as it gets released.
Anyway, there is a Coda, as well as A Six-Person Etude; as with all things of value, they are worth buying. They are quite inexpensive.
Hope that helps,
no, it's called Plex. You have all your shows on one computer which acts as a server, then you can connect with computer, mobile, console or just through the webinterface to watch your shows.
https://plex.tv/ is their website, you can also checkout /r/plex
On top of the answers already provided there are 2 more soundtracks.
Shigatsu wa Kimi no Uso Boku to Kim to no Ongakuchou = all the performances in the show
Shigatsu Wa Kimi no Uso Twinkle Little Star = Other performances related to the show
Anime News Network has info up to volume 6. Amazon sometimes give an accurate estimate on the release date too. Volume 7's release date according to Amazon