Merge pr#15 - add offline use

Enabled offline use

Author: Andries-Smit

src/MicroflowTimer/MicroflowTimer.xml

@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8" ?>
-<widget id="MicroflowTimer.widget.MicroflowTimer" needsEntityContext="true" xmlns="http://www.mendix.com/widget/1.0/">
+<widget id="MicroflowTimer.widget.MicroflowTimer" needsEntityContext="true" offlineCapable="true" xmlns="http://www.mendix.com/widget/1.0/">
     <name>MicroflowTimer</name>
     <description>The description of this widget</description>
     <icon></icon>