Fixed wrapper.conf without a trailing empty line

After updating to SonarQube 4.5.1 the wrapper.conf does not end with an empty line (as it apparently did before?), which causes the wrapper.conf to be broken after patching it.

    wrapper.shutdown.timeout=3000wrapper.backend.type=PIPE
Merge pull request #3 from mtritschler/patch-1

Fixed missing line break in wrapper.conf (SonarQube 4.5.1)