Merge pull request #824 from Tencent/feature/dev

Matrix 2.1.0 for Android

Merge pull request #745 from Tencent/feature/dev

Matrix 2.0.8 for Android

Merge pull request #724 from Tencent/feature/ios-fix

Fix iOS makefile build break

Merge pull request #710 from Tencent/feature/dev

Update README.md

Merge pull request #660 from Tencent/feature/dev

Matrix v2.0.2

Merge pull request #649 from Tencent/feature/dev

Update README

Merge pull request #632 from Tencent/feature/dev

Update README

Merge pull request #608 from Tencent/dev

Matrix for iOS v1.0.1

Merge pull request #604 from Tencent/hotfix/1.0.0

Hotfix/1.0.0

Merge pull request #579 from Tencent/hotfix/0.9.x

Fix build error