Updated CI to include LTS, recent and nightly Julia builds (#26)

.travis.yml

@@ -1,15 +1,23 @@
 language: julia
 os:
-- linux
-- osx
+  - linux
+  - osx
 julia:
-- 1.0
+  - 1.0
+  - 1
+  - nightly
 notifications:
   email: false
+matrix:
+  allow_failures:
+    - julia: nightly
+branches:
+  only:
+    - master
+    - staging
+    - trying
+    - /^v[0-9]+\.[0-9]+\.[0-9]+$/  # version tags
 env:
   global:
   - secure: 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
   - secure: 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
-matrix:
-  allow_failures:
-    - julia: nightly