Added support for Travis CI
Merge pull request #89 from hintjens/master

Adding support for Travis CI
Fixed name of Travis file
Merge pull request #90 from hintjens/master

Fixed name of Travis file
Backported test_connect_delay.cpp from libzmq
Merge pull request #91 from hintjens/master

test_connect_delay was failing, so I backported the code from libzmq master.
Fix a few invalid forward declarations

A few forward declarations use mismatched struct and class types. Clang
won't compile this with -Werror.
Merge pull request #93 from cjuniet/master

[LIBZMQ-543] Fix compilation errors with Clang
simple Makefile for mingw32