add ssl certificate file and default password

[shzcore]

No description provided.

[javeme]

rename server.keystore to hugegraph-server.keystore

[codecov]

Codecov Report

Merging #1254 (8273190) into master (1758d5f) will increase coverage by 2.22%.
The diff coverage is n/a.

@@             Coverage Diff              @@
##             master    #1254      +/-   ##
============================================
+ Coverage     60.20%   62.42%   +2.22%     
- Complexity     5633     5759     +126     
============================================
  Files           374      374              
  Lines         31291    31291              
  Branches       4395     4395              
============================================
+ Hits          18838    19534     +696     
+ Misses        10528     9774     -754     
- Partials       1925     1983      +58     

Impacted Files	Coverage Δ	Complexity Δ
...java/com/baidu/hugegraph/config/ServerOptions.java	98.38% <ø> (ø)	0.00 <0.00> (ø)
...du/hugegraph/backend/tx/GraphIndexTransaction.java	81.20% <0.00%> (-0.12%)	203.00% <0.00%> (ø%)
...ain/java/com/baidu/hugegraph/task/TaskManager.java	73.85% <0.00%> (+1.30%)	28.00% <0.00%> (ø%)
...n/java/com/baidu/hugegraph/api/graph/BatchAPI.java	27.41% <0.00%> (+1.61%)	0.00% <0.00%> (ø%)
...du/hugegraph/backend/store/BackendSessionPool.java	76.38% <0.00%> (+2.77%)	17.00% <0.00%> (+1.00%)
...va/com/baidu/hugegraph/task/ServerInfoManager.java	73.59% <0.00%> (+2.80%)	52.00% <0.00%> (+1.00%)
...in/java/com/baidu/hugegraph/core/GraphManager.java	57.14% <0.00%> (+3.57%)	0.00% <0.00%> (ø%)
.../baidu/hugegraph/backend/store/BackendSession.java	80.95% <0.00%> (+4.76%)	1.00% <0.00%> (+1.00%)
...va/com/baidu/hugegraph/metrics/ServerReporter.java	93.10% <0.00%> (+20.68%)	0.00% <0.00%> (ø%)
...ava/com/baidu/hugegraph/metrics/MetricsModule.java	77.67% <0.00%> (+45.53%)	0.00% <0.00%> (ø%)
... and 7 more

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update 1758d5f...8273190. Read the comment docs.