Integrated multiuploaddialog into MODx core
Replacing old uploaddialog code with new multiuploaddialog code
Integrated multiuploaddialog into MODx core
Replacing old uploaddialog code with new multiuploaddialog code
Revert "Replacing old uploaddialog code with new multiuploaddialog code"

This reverts commit 271b721d16c22b00873198cc065544c2d8e1dcd6.
Keep old UploadDialog for BC, support for setting 'permitted_extensions'.
Use new MultiUploadDialog
Merge conflicts from reverting a commit
added a gender in between
First step on trying to bring a dedicated "page" for file browsing (Media manager)
Restored ability to filter system settings by namespace (using $_GET parameter) +
Added ability to filter system settings by area
Added typeahead on system settings grid combos
Enables 'open in new tab' via Ctrl/Command (Meta) + Click
Allow default browser behavior for shift key
Restored ability to filter system settings by namespace (using $_GET parameter) + Added ability to filter system settings by area

* origin/pr/11331:
  Restored ability to filter system settings by namespace (using $_GET parameter) + Added ability to filter system settings by area
Removed unnecessary override in system settings grid
Added typeahead on system settings grid combos

* origin/pr/11332:
  Added typeahead on system settings grid combos
Enables 'open in new tab' via Ctrl/Command (Meta) + Click

* origin/pr/11337:
  Allow default browser behavior for shift key
  Enables 'open in new tab' via Ctrl/Command (Meta) + Click
Removed BOM from  en/resource.inc.php

Get rid of space causing http://forums.modx.com/thread/90433/error-in-lexicon-es---headers-already-sent-by---blank-space-in-top-and-layout-issues#dis-post-496267
[rebuild] - Add "media browser" menu entry