Tweaks to eclipse instructions

Review at http://gwt-code-reviews.appspot.com/242801

Review by: jlabanca@google.com

git-svn-id: https://google-web-toolkit.googlecode.com/svn/trunk@7753 8db76d5a-ed1c-0410-87a9-c151d255dfc7
diff --git a/bikeshed/eclipse.README b/bikeshed/eclipse.README
index 4bcdab2..b3323db 100644
--- a/bikeshed/eclipse.README
+++ b/bikeshed/eclipse.README
@@ -4,6 +4,7 @@
 the following files and directories. Eclipse needs to edit them,
 but they should not be submitted.
 
+*.jar
 .settings
 .classpath
 .project
@@ -19,7 +20,7 @@
 bikeshed/war/validation/
 
 * Install the Google Plugin for Eclipse
-* Import trunk/bikeshed/ as a new Java project with existing source
+* Create a new Java project with trunk/bikeshed/ as its existing source
 * Bring up the project properties
   * Google > Web Toolkit > Use Google Web Toolkit
   * Google > App Engine > Use Google App Engine