pfSense

Fix #5690:

- Remove parameters from set_language()
- Add a global variable for default language
- add env var for LANG, otherwise it won't work

Fixed #5789

Merge branch 'add_call_gettext_diagnostic_menu_pages' of https://github.com/brunostein/pfsense

• 'add_call_gettext_diagnostic_menu_pages' of https://github.com/brunostein/pfsense:
  add call gettext function for translate

Merge pull request #2495 from phil-davis/gt1

Add gettext to select option names where required

Internationalization graph guiconfig head index

add call gettext function for translate

Regenerate pfSense.pot

Regenerate pfSense.pot

Change dependency icon back to a paperclip (globe seems to imply more than intendend here), fix appearance of the text.
<ul> without <li> is invalid, remove. Also move the icon to a separate i tag, putting it in an a tag changed the font in an undesirable way.