Added TPC-DS queries that required modifications to run on other SQL on Hadoop systems

Modifications required included conversion to SQL-92 style joins and manual predicate
propagation.
Update README.md

Fixed typo.
Fix typo in main README.md
Merge pull request #4 from deinspanjer/readme-typo-fix-1

Fix typo in main README.md
Merge remote-tracking branch 'upstream/master'