[feature] Update to Scala 2.11.12 (still JDK7 compat)

Author: adamretter

.travis.yml

@@ -3,7 +3,7 @@ sudo: false
 language: scala
 
 scala:
-        - 2.11.6
+        - 2.11.12
 
 script: "mvn test verify -Dmaven.javadoc.skip=true"
 

csv-validator-parent/pom.xml

@@ -82,7 +82,7 @@
 
     <properties>
         <scala.version>2.11</scala.version>
-        <scala.lib.version>2.11.7</scala.lib.version>
+        <scala.lib.version>2.11.12</scala.lib.version>
         <scalaz.version>7.2.0</scalaz.version>
         <specs2.version>3.7.1</specs2.version>
         <java.version>1.7</java.version>