refactored hadoop intro since the replacement page for instructions also wasn't right and there are quite a few available that are right
add restore task
update druid-api version to 0.1.10
update copyright date
fix task id
update druid-api version to 0.1.11
Merge branch 'master' into igalDruid
fixed broken link
Merge pull request #409 from metamx/igalDruid

Igal druid
Merge pull request #407 from metamx/restore-task

Restore task