fix travis configurations (#2)

fix travis configurations

.gitattributes

@@ -1,6 +1,5 @@
 *.hack linguist-language=Hack
 
 /tests export-ignore
-/docs export-ignore
 .travis.sh export-ignore
 .travis.yml export-ignore

.gitignore

@@ -1,3 +1,3 @@
+/vendor/
 composer.lock
-vendor/
 *.hhast.parser-cache

.hhconfig

@@ -2,4 +2,7 @@ assume_php=false
 safe_array = true
 safe_vector_array = true
 unsafe_rx = false
+const_default_func_args = true
+disallow_array_literal = true
+disable_lval_as_an_expression = true
 ignored_paths = [ "vendor/.+/tests/.+", "vendor/.+/bin/.+" ]

.travis.yml

@@ -1,18 +1,25 @@
-sudo: false
 dist: trusty
-language: generic
+language: shell
 services: docker
+os:
+  - linux
+
 env:
-- HHVM_VERSION=4.25-latest
-- HHVM_VERSION=latest
-- HHVM_VERSION=nightly
-matrix:
+  - HHVM_VERSION=4.25-latest
+  - HHVM_VERSION=4.30-latest
+  - HHVM_VERSION=latest
+  - HHVM_VERSION=nightly
+
+jobs:
   allow_failures:
     - env: HHVM_VERSION=nightly
+
 install:
-- docker pull hhvm/hhvm:$HHVM_VERSION
+  - docker pull hhvm/hhvm:$HHVM_VERSION
+
 script:
-- docker run --rm -w /var/source -v $(pwd):/var/source hhvm/hhvm:$HHVM_VERSION ./.travis.sh
+  - docker run --rm -w /var/source -v $(pwd):/var/source hhvm/hhvm:$HHVM_VERSION ./.travis.sh
+
 notifications:
   slack:
     secure: 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