Merge pull request #1 from dnnsoftware/development

Fix bug DNN-4057: copy the RegisterClientReference method from WebUtilit...
Fix type

fix a misleading typo (twice)
Fixed DNN-5692: Handle invalid paths in DotNetNuke.Modules.Admin.Extensions.AvailableExtensions.IconExists()
Update _UserList.cshtml

Change query for _UserList.cshtml to only pull users for the current portal.  Prevents a Portal on a shared Host from exposing the contact information for users on other Portals on the host.
Make admin page "User Account" more robust against invalid URL
FilterNodes supports taxonomy tags #

Easily create a "related content" style menu using DDR menu tags.
Similar to what you might find on a news sites
https://cloudup.com/cUP9OIKQsUG
https://cloudup.com/ch6ppibPkIj

1. use dnn taxonomy and tag pages
2. in your ddr menu, specify #tagname

viola, now you have filtered the current nodselector to pages matching
the tags, in a flat non-hierarchy list.
Fixed malformed entry for plSMTPServer.Help (DNN-5538)
DNN-5800 Incorrect tab order on new portals
DNN-5801 Moving tabs in one portal affects tabs in other portals
DNN-5814 Avoid errors on redirect

Instead of terminating the response, run Context.ApplicationInstance.CompleteRequest(); to avoid logging threadabort errors.

https://dnntracker.atlassian.net/browse/DNN-5814
fix for previous commit:
DNN-5800 Incorrect tab order on new portals
DNN-5801 Moving tabs in one portal affects tabs in other portals
DNN-5819 ExpiryDate on a site cannot be removed
Fixes for scheduler

DNN-5731 Schedule Class name cannot contain spaces
DNN-5730 Scheduler Class cannot be edited
DNN-5809 Host clicks into Profile error msg: "Error: ViewProfile" is currently unavailable" renders
DNN-5823 Scheduler - Messaging Dispatch job throws an error every 10 seconds after being edited
Merge pull request #145 from janjonas/DNN-5768

Make admin page "User Account" more robust against invalid URL
Merge pull request #151 from lucasjans/patch-1

DNN-5814 Avoid errors on redirect
CONTENT-2892 : The module must remain active and it must have its original color
Add SaveString to localization provider
Save localized (i.e. non en-US) list values to resource files
Merge pull request #154 from vmasanas/DNN-5809

DNN-5809 Error when host user clicks to view the profile