Fixed the uses function in app.inc.php

Added a variable check in app.inc.php

* Small tweaks and a warning TODO

* Copies default to default-copy
* Introduced "perdro" even though I cant access yet"

* Silenced error in login/index.php

* Also replaces " with ' 

* replaces " with ' where applicable

* Minor tweaks

* made php5

* Minor tweaks to app
* Made $conf global in teh tempalte class (its not global in the loader function either)

Adding sandbox for remote client . THis is to be a test area for client and thereby create the docs. Love i

* now php5 class 
* Inctroducted $_loaded_modules class var to silence "undefined property" error
* Cleaned code to PEAR standards