update jdt.core to I20190220-1800 for 2019-03 M3

- enrich jclMin1.8 with classes needed by OT/J
- configure more test projects for 1.8
- add 1.8 versions of JCL_LIB to some more test plugins
- accept jdt.annotation v2.0
- expect @role tag in tests
- revert part of commit 9981d84813a6706ae3f09010b2ce00ae51aa8c07
diff --git a/othersrc/JCLMin1.8/.project b/othersrc/JCLMin1.8/.project
new file mode 100644
index 0000000..ad2cf4b
--- /dev/null
+++ b/othersrc/JCLMin1.8/.project
@@ -0,0 +1,17 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<projectDescription>
+	<name>JCLMin1.8</name>
+	<comment></comment>
+	<projects>
+	</projects>
+	<buildSpec>
+		<buildCommand>
+			<name>org.eclipse.jdt.core.javabuilder</name>
+			<arguments>
+			</arguments>
+		</buildCommand>
+	</buildSpec>
+	<natures>
+		<nature>org.eclipse.jdt.core.javanature</nature>
+	</natures>
+</projectDescription>