Minimized matrix.

Moved `develop` to first child process.

Author: jgebal

.travis.yml

@@ -34,13 +34,10 @@ env:
     - MAVEN_CFG=$HOME/.m2
     - UTPLSQL_CLI_VERSION="3.1.0"
   matrix:
+    - UTPLSQL_3_VERSION='develop'
     - UTPLSQL_3_VERSION='v3.0.0'
-    - UTPLSQL_3_VERSION='v3.0.1'
-    - UTPLSQL_3_VERSION='v3.0.2'
-    - UTPLSQL_3_VERSION='v3.0.3'
     - UTPLSQL_3_VERSION='v3.0.4'
     - UTPLSQL_3_VERSION='v3.1.1'
-    - UTPLSQL_3_VERSION='develop'
 
 before_install:
   # download travis-oracle