remove semicolons from statements

Signed-off-by: Alfredo Deza <alfredo.deza@inktank.com>
do not mix tabs and spaces

Signed-off-by: Alfredo Deza <alfredo.deza@inktank.com>
normalize indentation to 4 spaces

Signed-off-by: Alfredo Deza <alfredo.deza@inktank.com>
Merge pull request #6 from ceph/wip-fixes

Wip fixes
Reviewed-by: Josh Durgin <josh.durgin@inktank.com>