pom.xml(maven-compiler-plugin): update to 3.7.0

Changelogs:
http://mail-archives.apache.org/mod_mbox/maven-announce/201707.mbox/%3CCAPoyBqRkp386CXNHn3K=QOr+hULK+6KK7+q=AshRCtS5nzw7uQ@mail.gmail.com%3E
http://mail-archives.apache.org/mod_mbox/maven-announce/201709.mbox/%[email protected]%3E

No functional changes.

Author: php-coder

pom.xml

@@ -479,7 +479,7 @@
 		<commons-pool.version>1.5.4</commons-pool.version>
 
 		<commons.lang.version>3.4</commons.lang.version>
-		<compiler.plugin.version>3.6.1</compiler.plugin.version>
+		<compiler.plugin.version>3.7.0</compiler.plugin.version>
 		<cucumber.version>1.2.5</cucumber.version>
 		<datagen.version>2.2.1</datagen.version>