Bug 562191 - External tools command line starts with superfluous blank

Remove the superfluous blank when creating the command line.

Also bump version since this is the first change in core.externaltools
for 4.16.

Change-Id: Ib0243fc787d0d252aeb8be25c631d0cdb13c6dcb
Signed-off-by: Michael Keppler <Michael.Keppler@gmx.de>
3 files changed