Add Travis file (validate json files)

.travis.yml

@@ -0,0 +1,17 @@
+language: bash
+
+sudo: required
+
+dist: trusty
+
+install:
+    - git clone https://github.com/stedolan/jq.git
+    - pushd jq
+    - autoreconf -i
+    - ./configure --disable-maintainer-mode
+    - make
+    - sudo make install
+    - popd
+
+script:
+    - cat */*/*.json | jq .

README.md

@@ -1,5 +1,7 @@
 # misp-objects
 
+[![Build Status](https://travis-ci.org/MISP/misp-objects.svg?branch=master)](https://travis-ci.org/MISP/misp-objects)
+
 MISP objects to be used in MISP (3.0) system and can be used by other information sharing tool. MISP objects
 are in addition to MISP attributes to allow advanced combinations of attributes. The creation of these objects
 and their associated attributes are based on real cyber security use-cases and existing practices in information sharing.