fix travis docker build and deploy (#117)

diff --git a/.travis.yml b/.travis.yml
index e34cc63..954c1af 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,16 +1,15 @@
 # A Travis CI configuration file.
 
 sudo: required
-
+group: deprecated-2017Q3
 language: scala
-scala:
-   - 2.11.6
+services:
+- docker
+
 env:
   global:
     - secure: "cCDd/PfYpC5ndxwF/Tl3UUvYIQblPk2iugGIOO7RB0/iufrncn2vtmpo+CdVFS59bs5IpgNGj/gXcmilcQSMo4yuIXe1QGtUNp5oYtVg8/GALfpLsOawYfZ7Zz9oYhstz06R5epoCGJtzoQAwr9A8+o9W4gaDrHzVBiF1eNIYlyM3aDXfM3IiL5R2/DTWYhLqdKMFTPcx1us3EeAFJYS+ho2EAsxJI6o3kPdESzjhTOtksbetjzB2rWXyRCaRtpMsJXKTk5IhWJCi6/EsdAcy//HOUsUimWZHjgbZnRn5rOo5E4e324lIrzWPS9B9pETGm/jRsGmUso3FNfxBwEOi9Lp14InmpmiMOPXcAOAhPltizrrA/AYKrvzWdVQEMsylbkXYnEVTNKHx526x2dVl7sa8rrBjzpOUxnztsmfUlV4zsetCoubPg6beOQQ05wuiOm6omrxJ7RPrDB+Fi93wkzJEFjUASb/ogy9vYhTaUez8OCUzPLmPQDRwmY9fsnIl2nBpcZFsTXAu8nhPvrhezNYy7NfTxvglHPYuOqGRp+1AN8LNO6jHpGdd6rW1bWdAqjacwBsvdl6lNZeFSxcVzL67iViURiauMRQUnt/uJl6qMYotw57y5jhaitigmLl+J6k1Ab8shl3Vm8WCBab7FLDyrc7giobHZjYhcSOdJw="
     - secure: "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"
-services:
-  - docker
 
 before_install:
   - ./tools/travis/setup.sh