Bug fixes

this is the milestone running at http://sandbox.990.cl/tracker

[EDIT]
demo site was moved, it now resides at http://arhak.s4w.biz/tracker, however, if this new URL doesn't work then check the project page to know if it got moved again

Fixed ffmpeg_wrapper issue and many other issues.

sluser module :
- ability to customize the module names (eg: replace "sluser" with "secondlife")
- dont show the regkey if a user is not enabled
- revamped the admin settings (separated the code in several functions)
- allow the use of pictures from different sources (same as main profile, external link, linden profile, custom link
- allow the user to customize what he wants to show in wich tab
- added a search engine to look for slusers
- corrected some bugs

Fixed some bugs and a little bit cleaning.

Bug Fix: Error in SQL syntax.

- Fixed:
* bug reports #613222: Module produces "headers already sent by" error.