Merge pull request #105 from tomchadwin/master

Travis: install boost via ppa:kzemek/boost

Author: systemed

.travis.yml

@@ -5,6 +5,8 @@ sudo: true
 dist: trusty
 addons:
   apt:
+    sources:
+    - sourceline: 'ppa:kzemek/boost'
     packages:
     - liblua5.1-0
     - liblua5.1-0-dev
@@ -13,9 +15,9 @@ addons:
     - protobuf-compiler
     - shapelib
     - libshp-dev
-install:
-  - sudo add-apt-repository -y ppa:ostogvin/tjo-develop &&
-    sudo apt-get update &&
-    sudo apt-get install libboost1.58-dev libboost-program-options1.58 libboost-filesystem1.58-dev libboost-system1.58
+    - libboost1.58-dev
+    - libboost-program-options1.58
+    - libboost-filesystem1.58-dev
+    - libboost-system1.58
 script:
   - make -j2