Add Call Statistics Feature:

Thanks to OmniRom/CyanogenMod:
https://github.com/omnirom/android_packages_apps_Dialer/commit/a5f038bb5f38b2f399d4bef05bb326051146193f

Changes:
- Minor changes for Holo Dark Theme
- Removed Blacklist feature
Call Statistics: Update:

- Rename cm_*.xml to dk_*.xml
- Add german translations