Update jdt.core to I20150428-0800 (M7 warm-up).
Manually merge from origin (bogus lineend changes):
- NullTypeAnnotationTest
- AstConverter18Test (no real change)
- FormatterBugsTests (no real change)
- SpacePreparator
- SourceTypeBinding
diff --git a/org.eclipse.jdt.core/model/org/eclipse/jdt/internal/core/util/messages.properties b/org.eclipse.jdt.core/model/org/eclipse/jdt/internal/core/util/messages.properties
index d5908f8..bf3c646 100644
--- a/org.eclipse.jdt.core/model/org/eclipse/jdt/internal/core/util/messages.properties
+++ b/org.eclipse.jdt.core/model/org/eclipse/jdt/internal/core/util/messages.properties
@@ -191,7 +191,7 @@
cache_invalidLoadFactor = Incorrect load factor
savedState_jobName = Processing Java changes since last activation
refreshing_external_folders = Refreshing external folders
-updating_external_archives_jobName = Refreshing external archives
+synchronizing_projects_job = Synchronizing projects
## java model initialization
javamodel_initialization = Initializing Java tooling