Added antlr installation

.travis.yml

@@ -17,9 +17,5 @@ addons:
    - oracle-java8-set-default
 
 before_install:
- - shopt -s expand_aliases
- - curl https://raw.githubusercontent.com/golang/dep/master/install.sh | sh
- - sudo curl -O https://www.antlr.org/download/antlr-4.7.1-complete.jar
- - export CLASSPATH=".:/usr/local/lib/antlr-4.7.1-complete.jar:$CLASSPATH"
- - alias antlr4='java -jar /usr/local/lib/antlr-4.7.1-complete.jar'
- - alias grun='java org.antlr.v4.gui.TestRig'
+ - sudo apt-get update -qq
+ - sudo apt-get install -qq antlr4

README.md

@@ -60,8 +60,8 @@ For query syntax, you may go to [ArrangoDB web site](https://docs.arangodb.com/3
 ### Prerequisites
 * Go >=1.6
 * GoDep
-* Chrome (optional)
 * GNU Make
+* Chrome or Docker (optional)
 
 ```sh
 make build