Convert some errors to warnings

Author: dlsniper

src/ro/redeul/google/go/components/ProjectSdkValidator.java

@@ -159,7 +159,7 @@ public void initComponent() {
                             "Go SDK validator",
                             "Problem with env variables",
                             getInvalidGOROOTEnvMessage(),
-                            NotificationType.ERROR,
+                            NotificationType.WARNING,
                             NotificationListener.URL_OPENING_LISTENER),
                     myProject);
 
@@ -170,7 +170,7 @@ public void initComponent() {
                             "Go SDK validator",
                             "Problem with env variables",
                             getInvalidGOPATHEnvMessage(),
-                            NotificationType.ERROR,
+                            NotificationType.WARNING,
                             NotificationListener.URL_OPENING_LISTENER),
                     myProject);