IDEA-127641 Error tooltips are not shown for certain editors
[a=Konstantin.Bulenkov] fix for
2014-08-07 14:04:51,580 [8771147]  ERROR - til.concurrency.QueueProcessor - component must be showing on the screen to determine its location
java.awt.IllegalComponentStateException: component must be showing on the screen to determine its location
	at java.awt.Component.getLocationOnScreen_NoTreeLock(Component.java:2056)
	at java.awt.Component.getLocationOnScreen(Component.java:2030)
	at com.intellij.ui.popup.PopupPositionManager$PositionAdjuster.<init>(PopupPositionManager.java:146)
	at com.intellij.ui.popup.PopupPositionManager$PositionAdjuster.<init>(PopupPositionManager.java:152)
	at com.intellij.ui.popup.PopupPositionManager.positionPopupInBestPosition(PopupPositionManager.java:57)
	at com.intellij.codeInsight.documentation.DocumentationManager.showHint(DocumentationManager.java:940)
	at com.intellij.codeInsight.documentation.DocumentationComponent.setDataInternal(DocumentationComponent.java:520)
	at com.intellij.codeInsight.documentation.DocumentationComponent.setDataInternal(DocumentationComponent.java:509)
	at com.intellij.codeInsight.documentation.DocumentationComponent.setData(DocumentationComponent.java:503)
	at com.intellij.codeInsight.documentation.DocumentationComponent.setText(DocumentationComponent.java:467)
	at com.intellij.codeInsight.documentation.DocumentationComponent.setText(DocumentationComponent.java:458)
	at com.intellij.codeInsight.documentation.DocumentationManager.doFetchDocInfo(DocumentationManager.java:674)
	at com.intellij.codeInsight.documentation.DocumentationManager.fetchDocInfo(DocumentationManager.java:648)
	at com.intellij.codeInsight.documentation.DocumentationManager.doShowJavaDocInfo(DocumentationManager.java:515)
	at com.intellij.codeInsight.documentation.DocumentationManager.showJavaDocInfo(DocumentationManager.java:355)
	at com.intellij.codeInsight.documentation.DocumentationManager.showJavaDocInfo(DocumentationManager.java:271)
	at com.intellij.codeInsight.documentation.DocumentationManager.showJavaDocInfo(DocumentationManager.java:264)
	at com.intellij.codeInsight.lookup.impl.LookupManagerImpl$4.run(LookupManagerImpl.java:148)
	at com.intellij.util.concurrency.QueueProcessor.runSafely(QueueProcessor.java:238)
1. Improvement for IDEA-88319.
2. Clarification for mac workspace change on dialog showing
IDEA-128340 Editor tab title: don't add "pom.xml" to pom.xml label
Enable "Right margin" option
fix NPE
IDEA-128315 (Inspection "Identical 'catch' branches in 'try' statement" sometimes doesn't work)