vendor/cm : update some contributors

Change-Id: Ib24d038ccee1dce7404ac54a9ac6671bd347839c
contributors: add sony Z2

Change-Id: Ia5e9822ebe103e21e497c25f85cc3add03274fec
Remove me from contributors

Change-Id: If227143d4aadbfcda5b60b080602b2e43a3ec243
Revert "cm: Add some app-specific performance settings"

This reverts commit 34d5e908433ce79e1c7fbcb88cf1661a4adb1743.
Clean up

- Remove CM Updater
- Remove CM Wallpaper
- Remove LockClock
Persist DPI & Xposed across flash
New bootanimation