Update of code style: XML settings and JRuby.
Support extendable actions in build timeout plugin
Fixup MavenPluginTest#set_maven_options
Ported JobConfigHistory
Port JobParameterSummaryPlugin
Wait until the element in question appears.

This is an attempt to resolve the following problem seen on Jenkins:

org.openqa.selenium.WebDriverException: textarea is null
Command duration or timeout: 53 milliseconds
Build info: version: '2.40.0', revision: '4c5c0568b004f67810ee41c459549aa4b09c651e', time: '2014-02-19 11:13:01'
System info: host: 'jenkins', ip: '192.168.0.115', os.name: 'Linux', os.arch: 'amd64', os.version: '3.9.4-1-mansion', java.version: '1.7.0_51'
Session ID: f7d5f431-8abb-41cc-85c6-8b5f500dcee7
Driver info: org.openqa.selenium.firefox.FirefoxDriver
Capabilities [{platform=LINUX, acceptSslCerts=true, javascriptEnabled=true, cssSelectorsEnabled=true, databaseEnabled=true, browserName=firefox, handlesAlerts=true, browserConnectionEnabled=true, webStorageEnabled=true, nativeEvents=false, rotatable=false, locationContextEnabled=true, applicationCacheEnabled=true, takesScreenshot=true, version=22.0}]
	at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
	at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:57)
	at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
	at java.lang.reflect.Constructor.newInstance(Constructor.java:526)
	at org.openqa.selenium.remote.ErrorHandler.createThrowable(ErrorHandler.java:193)
	at org.openqa.selenium.remote.ErrorHandler.throwIfResponseFailed(ErrorHandler.java:145)
	at org.openqa.selenium.remote.RemoteWebDriver.execute(RemoteWebDriver.java:573)
	at org.openqa.selenium.remote.RemoteWebDriver.executeScript(RemoteWebDriver.java:482)
	at org.jenkinsci.test.acceptance.po.CodeMirror.set(CodeMirror.java:43)
	at org.jenkinsci.test.acceptance.po.Node.runScript(Node.java:49)
	at core.ScriptTest.execute_system_script(ScriptTest.java:31)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:606)
	at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:47)
	at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
	at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:44)
	at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)
	at org.jenkinsci.test.acceptance.junit.JenkinsAcceptanceTestRule$1.evaluate(JenkinsAcceptanceTestRule.java:50)
	at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:271)
	at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:70)
	at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:50)
	at org.junit.runners.ParentRunner$3.run(ParentRunner.java:238)
	at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:63)
	at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:236)
	at org.junit.runners.ParentRunner.access$000(ParentRunner.java:53)
	at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:229)
	at org.junit.runners.ParentRunner.run(ParentRunner.java:309)
	at org.apache.maven.surefire.junit4.JUnit4TestSet.execute(JUnit4TestSet.java:53)
	at org.apache.maven.surefire.junit4.JUnit4Provider.executeTestSet(JUnit4Provider.java:123)
	at org.apache.maven.surefire.junit4.JUnit4Provider.invoke(JUnit4Provider.java:104)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:606)
	at org.apache.maven.surefire.util.ReflectionUtils.invokeMethodWithArray(ReflectionUtils.java:164)
	at org.apache.maven.surefire.booter.ProviderFactory$ProviderProxy.invoke(ProviderFactory.java:110)
	at org.apache.maven.surefire.booter.SurefireStarter.invokeProvider(SurefireStarter.java:172)
	at org.apache.maven.surefire.booter.SurefireStarter.runSuitesInProcessWhenForked(SurefireStarter.java:104)
	at org.apache.maven.surefire.booter.ForkedBooter.main(ForkedBooter.java:70)
Caused by: org.openqa.selenium.remote.ErrorHandler$UnknownServerException: textarea is null
Build info: version: '2.40.0', revision: '4c5c0568b004f67810ee41c459549aa4b09c651e', time: '2014-02-19 11:13:01'
System info: host: 'jenkins', ip: '192.168.0.115', os.name: 'Linux', os.arch: 'amd64', os.version: '3.9.4-1-mansion', java.version: '1.7.0_51'
Driver info: driver.version: unknown
	at <anonymous class>.anonymous(http://127.0.0.1:50403/script:68)
	at <anonymous class>.handleEvaluateEvent(http://127.0.0.1:50403/script:68)
ported over xUnit test
Removed IntelliJ Maven XML files from version control.
Deleted IntelliJ Maven XML files from version control.
Remove .idea files.
Ignore .idea files
restore .gitignore
Make it easier to tidy up ssh connections
Clarify the script actions
Close Ssh connections when no in use
Close Ssh connections when not in use
Close Ssh connections when not in use
Close Ssh connections when not in use
Close Ssh connections when not in use
Close Ssh connections when not in use