[DOC] Add changelog file

This will ease the process of tracking changes and resolving particular
commit to a specific feature set.

Change-Id: I276d3aaea27859df01431c965b2702bbc74491d7
Issue-ID: OOM-2841
Signed-off-by: Bartek Grzybowski <b.grzybowski@partner.samsung.com>
2 files changed