Add thumbnail for TWEUM2017 microsite

editions/tw5.com/tiddlers/community/TiddlyWiki_European_Meetup_2017.tid

@@ -0,0 +1,11 @@
+created: 20170426210309235
+modified: 20170426210309235
+tags: Meetups
+title: TiddlyWiki European Meetup 2017
+type: text/vnd.tiddlywiki
+
+The TiddlyWiki European Meetup 2017, Oxford, on June 10th and 11th 2017.
+
+For more details:
+
+http://tiddlywiki.com/tiddlywiki-eu-meetup-2017/

editions/tw5.com/tiddlers/hellothere/HelloThere.tid

@@ -1,5 +1,5 @@
 created: 20130822170200000
-list: [[A Gentle Guide to TiddlyWiki]] [[Discover TiddlyWiki]] [[Some of the things you can do with TiddlyWiki]] [[Ten reasons to switch to TiddlyWiki]] Examples [[What happened to the original TiddlyWiki?]]
+list: [[A Gentle Guide to TiddlyWiki]] [[Discover TiddlyWiki]] [[Some of the things you can do with TiddlyWiki]] [[Ten reasons to switch to TiddlyWiki]] Examples [[What happened to the original TiddlyWiki?]] [[HelloThumbnail - TWEUM2017]]
 modified: 20170426160031661
 tags: TableOfContents
 title: HelloThere

editions/tw5.com/tiddlers/hellothere/HelloThumbnail - TWEUM2017.tid

@@ -0,0 +1,8 @@
+title: HelloThumbnail - TWEUM2017
+tags: HelloThumbnail
+color: #fff
+background-color: #000
+icon: <span style="font-size:3.5em;font-weight:bold;text-shadow:1px 1px 3px rgba(0,0,0,1);">2017</span>
+image: TWEUM Thumbnail.jpg
+caption: European Meetup 2017
+link: TiddlyWiki European Meetup 2017

editions/tw5.com/tiddlers/images/TWEUM Thumbnail.jpg.meta

@@ -1,3 +1,3 @@
-title: TWEUM2016 Thumbnail.jpg
+title: TWEUM Thumbnail.jpg
 type: image/jpeg
 tags: picture