[SWITCHYARD-1423] Jython - align version - Revised down from 2.5.3 to 2.5.2.
SWITCHYARD-1365 beanshell bsh version
Downgrade bsh to 2.0b4 to align with EAP.
Revert [SWITCHYARD-1423] Jython - align version - Revised down from 2.5.3 to 2.5.2.

This reverts commit a0a9a9862614e921b4e4d53fe5b9fb907ceb944b.