SlimRecents: go kitkat + style tweaks and follow googles color sheme

Thanks to SlimRoms:
https://github.com/SlimRoms/frameworks_base/commit/d2a76f297efe0285ac53e8fc63c45fbad131d2a4
https://github.com/SlimRoms/frameworks_base/commit/4d10958b149a99bf6fb76f904b7f2f14dfd68aaa