* update okhttp to latest version
* update templates to use okhttp3
* update java samples
* fix tests
* update tests under CI/samples.ci
* add tests to java client
* fix bin script to restore test files
* fix debugging
* add more tests and minor fixes
* update samples
* Added forbiddenapis check and fixed the findings in the normal code
* Fixed forbiddenapi findings in java templates and samples.
* Generated all samples for Java.
* Restore test classes to commit 5340c35ce123c18daa82f62131b3d1606bd1ceab
* Fix samples/client/petstore/java/feign
* Fix samples/client/petstore/java/jersey1
* Fix samples/client/petstore/java/jersey2-java8
* Fix samples/client/petstore/java/jersey2
* Fix samples/client/petstore/java/okhttp-gson
* Fix samples/client/petstore/java/resttemplate/src/test/java
* Move "StringUtilTest.java" to "samples.ci"
and add copy command in *.sh scripts
* Fix echo line
* Move tests to 'test-manual/common/'
* Move "ApiClientTest.java" to "samples.ci"
and add copy command in *.sh scripts
* Move "ConfigurationTest.java" to "samples.ci"
and add copy command in *.sh scripts
* Move "auth/ApiKeyAuthTest.java" to "samples.ci"
and add copy command in *.sh scripts
* Move "auth/HttpBasicAuthTest.java" to "samples.ci"
and add copy command in *.sh scripts
* Move "model/EnumValueTest.java" to "samples.ci"
and add copy command in *.sh scripts
* Move "JSONTest.java" to "samples.ci"
and add copy command in *.sh scripts
* Replace "cp" => "mkdir & cp"
* JSONTest.java is java8 specific
* Run bin/java-petstore-all.sh
* "$_" does not work on Shippable