Fixed some compiling warnings of camel-scala

git-svn-id: https://svn.apache.org/repos/asf/camel/trunk@1460258 13f79535-47bb-0310-9956-ffa450edef68
CAMEL-6182 Merged the converters into camel-scala from camel-scala-extra

git-svn-id: https://svn.apache.org/repos/asf/camel/trunk@1460259 13f79535-47bb-0310-9956-ffa450edef68
CAMEL-6182 merged some implict converters

git-svn-id: https://svn.apache.org/repos/asf/camel/trunk@1460260 13f79535-47bb-0310-9956-ffa450edef68
CAMEL-6182 polish the code of ConverterSpec

git-svn-id: https://svn.apache.org/repos/asf/camel/trunk@1460265 13f79535-47bb-0310-9956-ffa450edef68
CAMEL-6179 Fixed the issue that Simple expression in spring XML doesn't work if it comes in multiple xml lines with thanks to Othman

git-svn-id: https://svn.apache.org/repos/asf/camel/trunk@1460266 13f79535-47bb-0310-9956-ffa450edef68
Clean up the test files in camel-spring-test

git-svn-id: https://svn.apache.org/repos/asf/camel/trunk@1460267 13f79535-47bb-0310-9956-ffa450edef68