FREETZ_HAS_AVM_AHA only if FREETZ_HAS_AVM_DECT, thx olistudent (refs http://www.ip-phone-forum.de/showthread.php?t=258292)

git-svn-id: file:///var/svn/freetz/trunk@10305 149334a1-2f27-0410-a3b9-fc62619ac1e6
openvpn: option to select blowfish for PolarSSL, thx MaxMuster (refs #2053)

git-svn-id: file:///var/svn/freetz/trunk@10306 149334a1-2f27-0410-a3b9-fc62619ac1e6
truecrypt: select fuse, by olistudent (closed #643)

git-svn-id: file:///var/svn/freetz/trunk@10307 149334a1-2f27-0410-a3b9-fc62619ac1e6