Updated German Translation by Tilman Schmiedeberg
Merge pull request #612 from amtriathlon/master

Updated German Translation by Tilman Schmiedeberg
Recognise Okano Takayoshi

.. he has fixed up the v3 Japanese translation
.. included in the Contributors about box
Recognise Tilman Schmiedeberg

.. he has performed the entire v3 German translation
.. added to the contributors About box
Build Id and String update for RC6

.. this should be the last RC!
.. won't tag for RC6 until end of today
Fix HrPw array offset SEGV

On very short rides the array bounds checking in HrPwPlot
and HrPwWindow was missing. This meant that attempts to
find delays or apply delays that were longer than the
ridefile itself generated negative array offsets, and thus
a SEGV.
Added very short (12s) test ride

.. to check bounds checking in array processing
.. especially in the histogram/HrPw charts and metrics