Add Dutch translation for "discharging"

To resolve this: http://bugs.aokp.co/issues/42

Change-Id: Idb33167e8c0336cba0f41e0b343a257d69ede2d6
Signed-off-by: Rohan Mathur <rohanmathur34@gmail.com>
Merge "Add Dutch translation for "discharging"" into jb-mr2