Correct DbVisualizer title name

I think "DbVis Software" is the name of the company and the product
itself is called DbVisualizer.

Also fixed the description on the WPTouch module.

Author: Tod Beardsley

modules/exploits/unix/webapp/wp_wptouch_file_upload.rb

@@ -22,7 +22,7 @@ def initialize(info = {})
           upload arbitrary files to the upload folder. Because the plugin also
           uses it's own file upload mechanism instead of the wordpress api it's
           possible to upload any file type.
-          The user provided does not need special rights. Also users with "Contributer"
+          The user provided does not need special rights, and users with "Contributor"
           role can be abused.
       },
       'Author'         =>

modules/post/multi/gather/dbvis_enum.rb

@@ -14,7 +14,7 @@ class Metasploit3 < Msf::Post
 
   def initialize(info={})
     super( update_info( info,
-        'Name'          => 'Multi Gather Dbvis Connections Settings',
+        'Name'          => 'Multi Gather DbVisualizer Connections Settings',
         'Description'   => %q{
           DbVisualizer stores the user database configuration in dbvis.xml.
           This module retrieves the connections settings from this file.

modules/post/multi/manage/dbvis_add_db_admin.rb

@@ -13,7 +13,7 @@ class Metasploit3 < Msf::Post
 
   def initialize(info={})
     super( update_info( info,
-        'Name'          => 'Multi Manage Dbvis Add Db Admin',
+        'Name'          => 'Multi Manage DbVisualizer Add Db Admin',
         'Description'   => %q{
            Dbvisulaizer offers a command line functionality to execute SQL pre-configured databases
            (With GUI). The remote database can be accessed from the command line without the need