Update v4 domain and project.

[little-cui]

No description provided.

[codecov-io]

Codecov Report

Merging #143 into master will increase coverage by 0.18%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##           master     #143      +/-   ##
==========================================
+ Coverage   65.89%   66.07%   +0.18%     
==========================================
  Files          18       18              
  Lines        4369     4369              
==========================================
+ Hits         2879     2887       +8     
+ Misses       1311     1304       -7     
+ Partials      179      178       -1

Impacted Files	Coverage Δ
server/service/rule.go	71.51% <0%> (-0.3%)	⬇️
server/service/governservice.go	71.84% <0%> (+3.24%)	⬆️

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[coveralls]

Coverage increased (+0.07%) to 70.257% when pulling 2444bc6 on little-cui:api into d4585af on ServiceComb:master.