[pgjdbc/pgjdbc] 7f0e20: Add support for version 11 and version 12(#1332)

Branch: refs/heads/master
  Home:   https://github.com/pgjdbc/pgjdbc
  Commit: 7f0e200affbf4b6504bfafccaf6cfcdbe3b0219e
      https://github.com/pgjdbc/pgjdbc/commit/7f0e200affbf4b6504bfafccaf6cfcdbe3b0219e
  Author: Dave Cramer <davecramer@gmail.com>
  Date:   2018-11-22 (Thu, 22 Nov 2018)

  Changed paths:
    M pgjdbc/src/main/java/org/postgresql/core/ServerVersion.java
    M pgjdbc/src/test/java/org/postgresql/test/util/ServerVersionParseTest.java
    M pgjdbc/src/test/java/org/postgresql/test/util/ServerVersionTest.java

  Log Message:
  -----------
  Add support for version 11 and version 12 (#1332)

* Add support for version 11 and version 12

* add tests for ServerVersion

* remove core.ServerVersionTest, move tests into util.ServerVersionTest



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