fix remaining issues in merge

Still some issues but those are not related to the merge but to this
branch

Author: jan

io.sloeber.core/META-INF/MANIFEST.MF

@@ -26,7 +26,6 @@ Require-Bundle:
  com.github.luben.zstd-jni;bundle-version="1.5.5",
  io.sloeber.autoBuild,
  org.eclipse.cdt.make.core
-
 Export-Package: cc.arduino.packages;x-internal:=true,
  cc.arduino.packages.discoverers;x-internal:=true,
  cc.arduino.packages.ssh;x-internal:=true,

io.sloeber.tests/src/io/sloeber/core/RegressionTest.java

@@ -75,7 +75,7 @@ public static void installAdditionalBoards() {
      * @throws CoreException
      */
     @Test
-    public void issue555() {
+    public void issue555() throws CoreException {
         BoardDescription unoBoardid = Arduino.uno().getBoardDescriptor();
         BoardDescription teensyBoardid = Teensy.Teensy3_1().getBoardDescriptor();