Fixes from Erik Hovland: cli-authpubkey.c: fix leak of keybuf cli-kex.c: fix leak of fingerprint fp cli-service.c: remove commented out code dropbearkey.c: don't attepmt to free NULL key on failure common-kex.c: only free key if it is initialised keyimport.c: remove dead encrypted-key code don't leak a FILE* loading OpenSSH keys rsa.c, dss.c: check return values for some libtommath functions svr-kex.c: check return value retrieving DH kex mpint svr-tcpfwd.c: fix null-dereference if remote tcp forward request fails tcp-accept.c: don't incorrectly free the tcpinfo var

For 1.06

1. export ECC functions globally [e.g. mulmod and the sets]
   - goal is tv_gen module and test vectors
2. ASN.1 SET and T61String
3. phase out DH code [RSA/ECC/DSA is enough]
4. Some ASN.1 demo programs [for now read the source code!]
5. Start working towards making the bignum code plugable
6. Look into other ECC point muls and consider a "precomp" interface 
7. Add OID for ciphers and PRNGs to their descriptors