(cherry picked from commit 20522c45)

not sure how this could slip through.
(cherry picked from commit 9ef3009d)

fixes #194
(cherry picked from commit 6edee9a7)

busybox is most likely to be installed early in a clean install and
the /var/cache/misc is needed for the post-install.

(cherry picked from commit 0e73bc9f)

remove patches merged upstream.
(cherry picked from commit d4fa70bd)

(cherry picked from commit fbddf9cf)

(cherry picked from commit a4bf05c5)

(cherry picked from commit 7d64455c)

fixes #186
(cherry picked from commit d0c4ad93)

fixed couple bugs and changed some logic how packets are being inspected
and classified.
(cherry picked from commit 0732f850)

(cherry picked from commit 34cf1842)

(cherry picked from commit 379bfca7)

(cherry picked from commit 4d423460)

(cherry picked from commit 1caa5a06)

(cherry picked from commit 638d37ec)

(cherry picked from commit 5cab7708)

(cherry picked from commit b9158a61)

(cherry picked from commit 5ed0444b)

(cherry picked from commit 3a64b4e0)

(cherry picked from commit c82754f2)

(cherry picked from commit e5722671)

backport fix from upstream
http://opennhrp.git.sourceforge.net/git/gitweb.cgi?p=opennhrp/opennhrp;a=commit;h=10a70c0fabdc3a90840a3ede5ef47480b82ce425
(cherry picked from commit e8b6deb5)

we want opennhrp to be started after dnscache
(cherry picked from commit 19c14941)

(cherry picked from commit 81f42111)

fixes #183
(cherry picked from commit 9881efaf)

(cherry picked from commit 33e57ec4)

fixes #178
(cherry picked from commit 52e59e90)

fixes #184
(cherry picked from commit 810baf35)

additionally add a patch that prevents modification of
Content-Type header on If-Modified-Since request 304 replies.
RFC says those replies are invalid, but some broken servers
return bogus data anyway, so ignoring the reply fixes some
issues.
(cherry picked from commit c447b359)

Fixes #177

fixes #174

pre-install script should not fail if user and group exists.

fixes #175