[SECURITY-770] Support external password for keystore of PicketBoxVault implementation
patch by Ivo
[SECURITY-771] Enable white-space in parameters for external password command
[SECURITY-780] Fixing {EXTC:timeout} detection problem.
Merge pull request #6 from istudens/SECURITY-831

SECURITY-831 Support external password for keystore of PicketBoxVault implementation