travis: install_key

Author: mcuadros

.travis.yml

@@ -12,6 +12,7 @@ matrix:
 before_install:
   # we only decrypt the SSH key when we aren't in a pull request 
   - 'if [ "$TRAVIS_PULL_REQUEST" = "false" ]; then bash .travis/install_key.sh; fi'
+  - eval "$(ssh-agent -s)"
 
 install:
   - rm -rf $GOPATH/src/gopkg.in/src-d