Merge branch 'master', remote-tracking branch 'upstream/master'
Merge remote-tracking branch 'upstream/master'
Fix --with-libsodium include flags for czmq issue #387.

Also fix apparent typo in --with-libzmq error message ("czmq" instead of
"jzmq").
Merge pull request #419 from mjhowell/master

Fix --with-libsodium include flags for czmq issue #387
Update VS 2013 - remove hardwired libzmq ref and default to nuget.
Merge branch 'zeromq/master'
Add missing dependency, clean up VS soln file, fix bool expression.
Update projects to pull updated nuget package id.
Merge pull request #420 from evoskuil/master

Update VS 2013 projects, remove hardwired libzmq ref and default to NuGet.
Merge pull request #418 from hintjens/master

Added zsys_daemonize method
Merge pull request #422 from hintjens/master

Ensure gcc defines uint
Merge pull request #423 from hintjens/master

Ensure gcc defines uint -- fixed
rolled back the other changes and retained only the nuget configuration.
Merge pull request #424 from phreed/master

Added the nuget configuration.
Merge pull request #426 from hintjens/master

Added zlog syslog class, and other smaller fixes
Add project files for VS2010
Merge pull request #429 from HughPowell/master

Add project files for VS2010
Merge pull request #427 from hintjens/master

Added missing prototypes for zlog class
Cosmetic changes