Added changelog into new XPerience-AOSP

Change-Id: I3700e520bc3a9ae13925586e40d2572d430fe227
Add changelog support and Donators

Change-Id: Iad1e67e229c169c9d428081e0d18b1ed3aacc3c8
Signed-off-by: klozz <xxx.reptar.rawrr.xxx@gmail.com>