Simplify the setup

.travis.yml

@@ -1,16 +1,12 @@
 language: emacs-lisp
+sudo: no
 env:
   - EVM_EMACS=emacs-24.4-travis
   - EVM_EMACS=emacs-24.5-travis
   - EVM_EMACS=emacs-25.1-travis
 install:
-  - sudo mkdir /usr/local/evm
-  - sudo chown $(id -u):$(id -g) /usr/local/evm
-  - curl -fsSkL --max-time 10 --retry 10 --retry-delay 10 https://raw.github.com/rejeep/evm/master/go | bash
-  - export PATH="$HOME/.evm/bin:$PATH"
-  - evm install $EVM_EMACS --use
-  - curl -fsSkL --max-time 10 --retry 10 --retry-delay 10 https://raw.github.com/cask/cask/master/go | python
-  - export PATH="$HOME/.cask/bin:$PATH"
+  - curl -fsSkL https://gist.github.com/rejeep/ebcd57c3af83b049833b/raw > travis.sh && source ./travis.sh
+  - evm install $EVM_EMACS --use --skip
   - cask
 script:
   make travis-ci