Sync with netflow-asstatd.pl

Fixes race condition when forking (commit 07eccf65bb)
Fix security issue

'v' parameter of gengraph.php allowed shell command injection.
Reported by Stefan Hanrath.
Fix security issue
Bump version, update docs and asinfo.txt
Merge netflow/sflow-asstatd.pl into one script

Contributed by Wouter de Jong
Bump version and update AS info file
Create LICENSE.txt

Closes #18
Update README.md

Add support mailing list.
Clarify allowed characters in interface tags
show 95th on graph
add cool vertical label
Merge pull request #19 from clobrother/master

Add 95th line on graph
Add RIPEstat, make v4/v6 bytes display the same

Contributed by Erik Sundberg
View an AS - remove AS or Space on text paste

View an AS - Remove 'AS' or ' ' (Space) on text paste into text box
Form Focus Addd

Added form.focus to the page to make it easier when pasting text into
the page.
Merge pull request #21

with some slight changes
Added new freebsd startup script reflecting merged netflow/sflow-asstatd.pl
Removed old freebsd startup scripts
Merge pull request #22

manually fixed merge conflict
Various fixes

Fix command line injection. Make number of hours in top.php a parameter
instead of duplicating file. Add config setting for compatibility with
old (< 1.3) RRDtool versions. Move contributed shell scripts to subdir.
Merge pull request #23 from buchtajz/master

Added new freebsd startup script reflecting merged netflow/sflow-asstatd...