fix tests

- drop 0.5 support, ignore failures on nightlies
- rely on ZMQ.jl to install zmq binaries

Author: tanmaykm

.travis.yml

@@ -2,17 +2,13 @@ language: julia
 os:
     - osx
     - linux
-addons:
-    apt:
-        packages:
-        - libzmq3
-before_install:
-    - if [[ "$TRAVIS_OS_NAME" == "osx" ]]; then brew update          ; fi
-    - if [[ "$TRAVIS_OS_NAME" == "osx" ]]; then brew install zeromq32; fi
 julia:
-    - 0.5
     - 0.6
     - nightly
+matrix:
+    fast_finish: true
+    allow_failures:
+        - julia: nightly
 notifications:
     email: false
 #script:

REQUIRE

@@ -1,4 +1,4 @@
-julia 0.5
+julia 0.6
 ZMQ 0.3.3
 JSON
 Logging 0.3.1