inql.actions.browser: fix the Windows file opener

Windows file opener needs path normalization to open the url.
Pass each and every path to File.toURI to create an always valid file URI.

Fixes #40

inql/actions/browser.py

@@ -11,7 +11,7 @@
 from java.awt import Desktop
 from javax.swing import JMenuItem
 from java.net import URI
-
+from java.io import File as JavaFile
 
 class URLOpener():
     """
@@ -58,7 +58,7 @@ def actionPerformed(self, e):
         :param e: unused
         :return:
         """
-        URLOpener().open("file://%s" % self.target)
+        URLOpener().open(JavaFile(self.target).toURI().toString())
 
     def ctx(self, host=None, payload=None, fname=None):
         """