Revert "Support tag driven releases"

This reverts commit c5fa678.

Author: retronym

.travis.yml

@@ -1,13 +1,6 @@
 language: scala
-env:
-  global:
-    - PUBLISH_JDK=oraclejdk8 # admin/build.sh only publishes when running on this jdk
-# Don't commit sensitive files, instead commit a version encrypted with $SECRET,
-# this environment variable is encrypted with this repo's private key and stored below:
-# (See http://docs.travis-ci.com/user/environment-variables/#Secure-Variables.)
-  secure: "sGB53QddmPmQ4ftCGYxT0gaJcFt0bpMJoGxJRJCFTxdzg6nNMqJ9qDWbyJo7vDFx30axNQlyBH928pUiS5KfsmvzVdoVHUBEUJlF1lBurlpx06tGLuBdcFDwUF5ybi7SGRNdUPuX/6uLdgK5clpcW16/pcfT5Qr5vo/0mvPY85s="
 script:
-  - admin/build.sh
+  - sbt ++$TRAVIS_SCALA_VERSION clean test publishLocal
 scala:
   - 2.10.4
   - 2.11.4