Bring rex-powershell version to master's version

Author: dmohanty-r7

Gemfile.lock

@@ -219,7 +219,7 @@ GEM
       nokogiri
     redcarpet (3.3.4)
     rex-java (0.1.2)
-    rex-powershell (0.1.1)
+    rex-powershell (0.1.0)
       rex-random_identifier
       rex-text
     rex-random_identifier (0.1.0)