Merge pull request #651 from ricnewton/master

Fix Makefile.am for test_ctx_destroy
Fix preprocessor typoe
Removed debugging printfs
Extended TravisCI build to use libsodium
Added test_ctx_destroy to .gitignore
Merge pull request #652 from hintjens/master

Minor fixes to project packaging
Merge pull request #653 from mattconnolly/master

Fix preprocessor typoe
Merge remote-tracking branch 'upstream/master' into inproc_connect_before_bind