Remove extraneous space.

This fixes #247.
Updates to debian init script

 - support /etc/default/opentsdb
 - Add /usr/lib/default-java as a potential JDK path, this
   is commonly used as a symlink to the default jdk

Signed-off-by: Benoit Sigoure <tsunanet@gmail.com>
Fix Debian init script

  - Fix bash test syntax error
  - Properly test that TSD has started successfully
  - Pass appropriate exit code to log_action_end_msg if TSD fails to start