Fix classloader issue for plugins loading.
- TCCL is used now instead of Options.class' classLoader.
- Remove jdk 1.5 code for services loading.

Signed-off-by: Iaroslav Savytskyi <iaroslav.savytskyi@oracle.com>
Merge branch 'plugins_load_fix' into 'master'

Plugins load fix

Fix which allows plugins to be loaded even if JAXB is in JDK.
@martin_vojtek @miroslav.kos