Summary:
Update dragonwell version to 8.1.1

Test Plan:
make.sh saint check

Reviewed-by: luchsh,sanhong

Issue: https://github.com/alibaba/dragonwell8/issues/55

Summary:
Update java -version output to match 222u-b10 while the code is already
synchronized with upstream 222u-b10.

Test Plan: Sanity test by make.sh

Reviewed-by: luchsh

Issue: https://github.com/alibaba/dragonwell8/issues/49

Summary:
There is an official maintained build of Alibaba Dragonwell in Alibaba
Cloud Linux 2 (Aliyun Linux 2), so update the README file.

Test Plan: sanity check on document.

Reviewed-by: yfxhust

Issue: #39

Summary:
Update java -version output to match 212u-b04 while the code is already
synchronized with upstream 212u-b04.

Test Plan: Sanity test by make.sh

Reviewed-by: D-D-H

Issue: https://github.com/alibaba/dragonwell8/issues/34

Summary:
Update dragonwell version to 8.0.0

Test Plan: make.sh saint check.

Reviewed-by: D-D-H, mmyxym, luchsh

Issue: https://github.com/alibaba/dragonwell8/issues/30

Summary: Add Mozilla cacerts

Test Plan: Covered by Mozilla Network Security Service

Reviewed-by: D-D-H, luchsh

Issue: https://github.com/alibaba/dragonwell8/issues/29

Summary: Create separate version file for dragonwell. Integrate dragonwell information into makefile.

Test Plan: Sanity test by make.sh

Reviewed-by: luchsh

Issue: https://github.com/alibaba/dragonwell8/issues/25

Summary:
- Added .github/commit_message_template file
- Developers are expected to use following command to create any new Git commits
`git commit -t .github/commit_message_template`

Test Plan: only review needed

Reviewed-by: kuaiwei, sanhong

Issue: #18

Test Plan: sanity test

Reviewers: 麦庶, 在弦

Reviewed By: 麦庶, 在弦

Subscribers: 三红

Differential Revision: https://aone.alibaba-inc.com/code/D857546

Summary: Updated README

Reviewers: 三红

Reviewed By: 三红

Differential Revision: https://aone.alibaba-inc.com/code/D856392

Reviewers: 三红, 梁希, 芳玺, 麦庶

Reviewed By: 三红, 梁希, 芳玺, 麦庶

Differential Revision: https://aone.alibaba-inc.com/code/D854033

Summary: Update Dragonwell version to 8.0-preview

Test Plan: built-in sanity test

Reviewers: 麦庶

Reviewed By: 麦庶

Differential Revision: https://aone.alibaba-inc.com/code/D853999

Summary:
a tool script to get sub module source
ref T19246722

Reviewers: 传胜

Reviewed By: 传胜

Subscribers: 麦庶

Differential Revision: https://aone.alibaba-inc.com/code/D850205

Summary:
  rebase jdk8u202

Test Plan:
  sanity check in make.sh

Reviewers: 传胜

Subscribers: 麦庶

Differential Revision: https://aone.alibaba-inc.com/code/D845350

Summary:
    - add make.sh
    - change HotspotWrapper.gmk to ignore file start with '.'

    Test Plan: build dragonwell on ci jenkins

    Reviewers: 传胜, 三红

    Reviewed By: 传胜, 三红

    Subscribers: 麦庶

    Differential Revision: https://aone.alibaba-inc.com/code/D794881

Reviewed-by: lancea, clanger, andrew

Reviewed-by: serb, dmarkov, andrew

Reviewed-by: prr

Reviewed-by: clanger

Reviewed-by: phh

Summary: Compile fdlibm with -O3 and relevant C flags on gcc arches.
Reviewed-by: mbaesken, andrew

Summary: Use 'hg id -i' instead of 'hg tip' for obtaining the source revision
Reviewed-by: andrew

Reviewed-by: phh, martin

Reviewed-by: erikj, dholmes

Summary: Add FONTCONFIG_CFLAGS declaration.
Reviewed-by: erikj, prr