fixes #224
(cherry picked from commit d42dbe6e)

fixes #229 (and a minor bug with --interactive)
(cherry picked from commit 8514c999)

(cherry picked from commit ee20ced7)

(cherry picked from commit b6c52245)

(cherry picked from commit 4c56ed76)

(cherry picked from commit 5821ed12)

(cherry picked from commit 15a201d1)

fixes #91
fixes #220
(cherry picked from commit b25b80ea)

The Swiss Army knife of sound processing tools
http://sox.sourceforge.net/

(cherry picked from commit 7159bdca)

fixes #211
(cherry picked from commit bdf412b1)

(cherry picked from commit 8c3f7278)

(cherry picked from commit 483f73c7)

(cherry picked from commit ca123052)

(cherry picked from commit 3dad829c)

(cherry picked from commit 82ea4a60)

(cherry picked from commit 2c3de70d)

(cherry picked from commit f9db53b3)

(cherry picked from commit 5cf13277)

(cherry picked from commit 9e82e47b)

(cherry picked from commit 8d184d41)

(cherry picked from commit eaea2b6d)

(cherry picked from commit 98efe6f5)

(cherry picked from commit f0c45bc1)

(cherry picked from commit 79b83368)

(cherry picked from commit 42cbf526)

(cherry picked from commit 206810e6)

(cherry picked from commit 06468234)

(cherry picked from commit 55354ffd)

(cherry picked from commit ffffbebd)

(cherry picked from commit 4787453d)

(cherry picked from commit 43ca4e15)

the patch should fix reconnection on unstable lines but contained a
memory leak. This is an update of the same patch.
(cherry picked from commit d6e71e02)

Reset remote node contacted state if all related security associates
are purged.

Fixes issues with unstable internet connections.
(cherry picked from commit 770bfbbb)