Don't use "dirty" as user facing term

Relates to:eclipse-platform/eclipse.platform.ui#3961

Author: BeckerWdf

debug/org.eclipse.debug.ui/ui/org/eclipse/debug/internal/ui/preferences/DebugPreferencesMessages.properties

@@ -69,7 +69,7 @@ DebugPreferencePage_PromptSkipBreakpoints=Prompt when launching application in d
 DebugPreferencePage_PromptMultiExpressions=Select how multi-line expressions should be pasted in the 'Expressions View'
 
 LaunchingPreferencePage_1=&Build (if required) before launching
-LaunchingPreferencePage_2=Save required dirty editors before launching
+LaunchingPreferencePage_2=Save editors with unsaved changes before launching
 LaunchingPreferencePage_3=Alwa&ys
 LaunchingPreferencePage_4=&Never
 LaunchingPreferencePage_5=&Prompt

team/bundles/org.eclipse.compare/plugin.properties

@@ -125,7 +125,7 @@ ComparePreferencePage.generalTab.label= &General
 ComparePreferencePage.structureCompare.label= &Open structure compare automatically
 ComparePreferencePage.structureOutline.label= Show structure compare in Outline &view when possible
 ComparePreferencePage.ignoreWhitespace.label= Ignore &white space
-ComparePreferencePage.saveBeforePatching.label= A&utomatically save dirty editors before browsing patches
+ComparePreferencePage.saveBeforePatching.label= A&utomatically save editors with unsaved changes before browsing patches
 
 ComparePreferencePage.regex.description=Enter regular expressions used to identify added or removed lines in a patch\n(e.g. '^\\+\\s*\\S' for an added line with at least one word character).
 ComparePreferencePage.regexAdded.label=Added lines