update readme and changelog

Change-Id: I450094840adfe01b2c75d7e8406b3cc53f0a8072
add Galaxy Note 2 LTE (t0lte) maintainers

Change-Id: Ie1ceefca6ff96fb9f15a2ecccb27f6e074002d67
Merge remote-tracking branch 'upstream/cm-10.1' into cm-10.1