Merge pull request #1814 from hazendaz/master

Adjust travis ci jdks (remove 12, split ea into 14/15)

Author: hazendaz

.travis.yml

@@ -1,9 +1,9 @@
 language: java
 
 jdk:
-  - openjdk-ea
+  - openjdk15
+  - openjdk14
   - openjdk13
-  - openjdk12
   - openjdk11
   - openjdk8
 

pom.xml

@@ -140,7 +140,7 @@
     <osgi.dynamicImport>*</osgi.dynamicImport>
     <spotbugs.onlyAnalyze>org.apache.ibatis.*</spotbugs.onlyAnalyze>
 
-    <!-- Remove after parent 32 (support for jdk 13 and 14) -->
+    <!-- Remove after parent 32 (support for jdk 13on) -->
     <jacoco.version>0.8.5</jacoco.version>
   </properties>