Adding a missing @Override annotation
updated pom.xml files for parent and core to prepare for 1.5.0 release.
adding cast. Required to compile with java 8
added comment
removed groupId from pom, as that is inherited from parent pom
Removed generic type declaration from method, as it untentionaly hides generic type declaration from class.
Deprecated createQuery methods on Sql2o class.
Updated some tests to not use deprecated API. TODO update more tests.
Merge pull request #121 from aaberg/release-1.5.x

Prepare release 1.5.x