added more help information

Used file_directory_path() for file browser root

added permission setting for use of the integrated file management, this way anonymous users will not be able to use the integrated browser if you don't want them to.

Added some help information to start with #81339
Updated installation instructions #84060

cleaned up the array search function for excluded text fields so wildcards searches will actually work as expected, thanks to some eyeballs at drupalcon

http://drupal.org/node/82895

* added height variable to initialization so the editor will be correctly sized
* changed path handling
* hopefulle removed leftover files (cvs is not really straightforward there)

Added "lib/fckpopup.php" file
Updated "README.txt" to include "Pop Up Window" mode.

- Fixed http://drupal.org/node/16535
- Fixed http://drupal.org/node/25907
- Fixed two typos on the settings page