Create "share" directory so that pax succedes on FreeBSD.
Fix build on FreeBSD.
Updated sysutils/duplicity to 0.6.24
Fix build failure at least on Darwin:

atomic_ops_stack.c refers to AO_pause defined in atomic_ops.c so
either removing -no-undefined or declaring the dependency is needed.
Fix build on OpenBSD/sparc64. Defuzz patches (sorry if this is annoying).
Package was uploaded to pypi. Thus, we can simplify the Makefile. Change in
this version was:

Fix CECKey.sign() handling of invalid hashes
Updated finance/py-python-bitcoinlib to 0.1.1
indent