EPE-116 Plugin fails on system with 1.6JRE

switch(STRING) is not supported in 1.6.
Added language fragment to build dependencies.

Fixes EPE-116

Signed-off-by: Gordon Smith <gordon.smith@lexisnexis.com>
Merge pull request #165 from GordonSmith/EPE-116

EPE-116 Plugin fails on system with 1.6JRE

Reviewed-By: Richard Chapman <rchapman@hpccsystems.com>