Extract site library loading code into utility class

Extract common code of loading jars from site lib directory into
separate utility class. Same code will be used for loading
SecureStore-lib implementation.

Change-Id: Idb3f837167ffc4d6784a1b960b57a454ceb692f2
Signed-off-by: Dariusz Luksza <dariusz@luksza.org>
2 files changed