Update invite_signup.php

Wrong global variable names.  Didnt match the site_settings cache file
Update take_invite_signup.php

Same thing, update variable name to match with the cache file
Merge pull request #38 from StNr/patch-2

Update invite_signup.php
Merge pull request #39 from StNr/patch-3

Update take_invite_signup.php
Added XBT query checks to leechers page;
Updated;
Updated files;
Undefined index patch;
Removed html functions include;
Updated log viewer;
Merge pull request #3 from Bigjoos/master

Misc Updates 12/07/2014