Bug 577065 Added higher resolution logos/social images

Signed-off-by: Zhou Fang <zhou.fang@eclipse-foundation.org>
diff --git a/20anniversary/images/20-years-eclipse-ide-2.png b/20anniversary/images/20-years-eclipse-ide-2.png
index ed86c18..fa5a9a5 100644
--- a/20anniversary/images/20-years-eclipse-ide-2.png
+++ b/20anniversary/images/20-years-eclipse-ide-2.png
Binary files differ
diff --git a/20anniversary/images/20-years-eclipse-ide.png b/20anniversary/images/20-years-eclipse-ide.png
index e951276..0c78ccd 100644
--- a/20anniversary/images/20-years-eclipse-ide.png
+++ b/20anniversary/images/20-years-eclipse-ide.png
Binary files differ
diff --git a/20anniversary/images/social-posts-template.jpg b/20anniversary/images/social-posts-template.jpg
index 373f869..7fc6756 100644
--- a/20anniversary/images/social-posts-template.jpg
+++ b/20anniversary/images/social-posts-template.jpg
Binary files differ