removing $extract_dir from gzip command

the variable in not needed in command line, as stated in issue #91
Fix Issue #91 GeoIP Update fails without zlib
Merge pull request #112 from philrandal/master

Fix Issue #91 GeoIP Update fails without zlib
fix uninitialsed variable
Merge pull request #113 from philrandal/master

Fix uninitialised variable

issue #21 is happy again
Fix uninitialised $quarantined array variable
fix bad html in VIRUS_INFO string
Merge pull request #114 from philrandal/master

Fix uninitialised $quarantined array variable

#21 is happy today
Fix broken html
Merge pull request #116 from philrandal/master

Fix broken html in viewmail.php
Document QUARANTINE_USE_SENDMAIL consequences
clarifiy comment
Merge pull request #117 from philrandal/master

Document QUARANTINE_USE_SENDMAIL consequences
Fix 'missing function dbg' error

functions were defined in a conditional block after use.  Move the function definitions out of the if ... block to fix
Document required permissions on temp directory
Fix 'undefined variable output' error

Partial fix for Issue #21
fix typo
Fix undefined index 'message'

part-fix for bug #21
fix typo
update f-secure AWK status script