Update travis psc install with 0.7 binary names

Author: qxjit

.travis.yml

@@ -6,7 +6,7 @@ env:
 install:
   - wget -O $HOME/purescript.tar.gz https://github.com/purescript/purescript/releases/download/$TAG/linux64.tar.gz
   - sudo tar zxvf $HOME/purescript.tar.gz -C /usr/local/bin purescript/psc{,i,-docs,-make} --strip-components=1
-  - sudo chmod a+x /usr/local/bin/psc{,i,-docs,-make}
+  - sudo chmod a+x /usr/local/bin/psc{,i,-docs,-bundle,-publish}
   - npm install bower gulp -g
   - npm install && bower install
 script: