bug - processors properties overwrite

(cherry picked from commit c5d7aec9fc340200f8eaf866e919f0984f55f74c)
new modDeprecatedProcessor properties

(cherry picked from commit e1c0ee2dde58260b4353e5d52c300827728d75a3)
Prevent processor property overwriting in modX::runProcessor()

add changelog
Prevent processor property overwriting in modX::runProcessor()

Merge branch 'pr/682' into develop

* pr/682:
  Prevent processor property overwriting in modX::runProcessor()
  new modDeprecatedProcessor properties
  bug - processors properties overwrite