gui/html: Various improvements, including embedded context menu
+ update of jQuery
+ adding jQueryUI extension (not really used yet)
+ adding jQueryContext menu extension
+ displaying file icon based on file extension
Change-Id: Ie9cac5d69c751e010f61c64bbe3734890da0aa2f
diff --git a/gui/html/images/README.chronoshare b/gui/html/images/README.chronoshare
new file mode 100644
index 0000000..bca2cd9
--- /dev/null
+++ b/gui/html/images/README.chronoshare
@@ -0,0 +1,3 @@
+If new extensions are added to this folder, these extensions
+need also be added to chronoshare-helper.js::fileExtension funnction.
+