Disable input filters

Disable all input filters until refactoring HTTP
input is complete.
Updated debugging scripts

Setup debugging script with apache post config callbacks.
Have other scripts call post_config script.
Update gdb scripts

Delete some unused scripts
Rename indexer attribute

Use name instead of fname (friendly name)
Update error message with varible length arugment function

Add a pool to error messages struct
Create add function that takes format string and varible length
argument list.
Fix whitespace
Scan for indexer name and command

Scan the httpd uri for varibles the module
will use. The first string before a slash '/'
is the indexer name. The remaing string is
the command.
Cleanup old xml code moved shared memory code

Remove all old tree based xml code as this will be
replaced by xpath. Move setup_shared_memory to
util c file and library to assit in testing.
Add error messages tests

Add check c testing framework to project.
Add tests for error messages and shared
memory error testing.