Stream handling simplification in PropertiesUtil

- use resource block instead of finally block

Signed-off-by: Laszlo Hornyak <laszlo.hornyak@gmail.com>
Simplification on Properties handling

- Added method to create properties and load contents from file

Signed-off-by: Laszlo Hornyak <laszlo.hornyak@gmail.com>
Properties loading simplification

- Using the PropertiesUtil methods, the resource handling could be elliminated

Signed-off-by: Laszlo Hornyak <laszlo.hornyak@gmail.com>
unit test for getClientAddress

Signed-off-by: Laszlo Hornyak <laszlo.hornyak@gmail.com>
Some simplification on getClientAddress in ApiServlet

Signed-off-by: Laszlo Hornyak <laszlo.hornyak@gmail.com>
removed executable flags from java classes

Signed-off-by: Laszlo Hornyak <laszlo.hornyak@gmail.com>
unused logger removed

Signed-off-by: Laszlo Hornyak <laszlo.hornyak@gmail.com>
some unused fields deleted

Signed-off-by: Laszlo Hornyak <laszlo.hornyak@gmail.com>