…-client into readperformancedata

* 'readperformancedata' of https://github.com/heeseon/java-client: (156 commits)
  build error
  Do not hardcode
  Do not hardcode
  Update README.md
  Update README.md
  Code style issues which were found by reviewer were fixed
  Code style issues which were found by reviewer were fixed
  The addition to appium#738 - following dependencies were updated:   `org.seleniumhq.selenium:selenium-java` to 3.6.0   `com.google.code.gson:gson` to 2.8.2   `org.springframework:spring-context` to 5.0.0.RELEASE   `org.aspectj:aspectjweaver` to 1.8.11
  do not zero out implicit wait during location call
  rename DEFAULT_IMPLICITLY_WAIT_TIMEOUT to DEFAULT_TIMEOUT
  Update README.md
  some minor things that were found by reviewers were improved
  code style issues were got fixed
  appium#732 FIX
  ServerBuilderTest: ip calculation was improved
  ServerBuilderTest: the path resolving
  ServerBuilderTest: magic strings were turned into final values
  ServerBuilderTest: magic strings were turned into final values
  ServerBuilderTest: code improvement.
  Tests of local appium DriverService were re-designed.
  ...