new bookmark screen part 2

    specs here: https://docs.google.com/a/google.com/present/edit?id=0ARMpWryWB2oaY2RkbmZwdnBfODc0Y2diYnBoNDc&hl=en
    moved tabs to top
    added bread crumbs view for folder hierarchy
    changed thumbnail sizes for xlarge screens

Change-Id: I3035f299b343f9aa1ec0dd41772e5594cd6b21f5
diff --git a/res/values-xlarge/dimensions.xml b/res/values-xlarge/dimensions.xml
index 602da0e..c335c19 100644
--- a/res/values-xlarge/dimensions.xml
+++ b/res/values-xlarge/dimensions.xml
@@ -11,6 +11,6 @@
     License.
 -->
 <resources xmlns:xliff="urn:oasis:names:tc:xliff:document:1.2">
-    <dimen name="bookmarkThumbnailWidth">160dip</dimen>
-    <dimen name="bookmarkThumbnailHeight">180dip</dimen>
+    <dimen name="bookmarkThumbnailWidth">180dip</dimen>
+    <dimen name="bookmarkThumbnailHeight">120dip</dimen>
 </resources>
\ No newline at end of file