include cmake files in tarball

test_stream failed when response was broken into frames

fix use of CMAKE_SYSTEM_PROCESSOR

This reverts commit e5baf1e0.

Clarified use of secret/public keys

Fixed man page for CURVE key options

Add new tests to CMakeLists.txt

Cleaned up the code

- removed unnecessary malloc
- spaces, not tabs to indent
- renamed control states to be more logical
- renamed SUSPEND to PAUSE, feels more accurate
- fixed indentation, which was off in places

add proxy control flow and test

Use consistant integer type in raw_decoder

Update zmq_msg_init_data.txt

Temporary workaround for broken libsodium install

Load identity message to decoder at start

Fixed out-of-source build

Rename engine's methods to improve code readability

Fixed doc for IDENTITY socket option