Merge pull request #13 from ruprict/master

Add server jar
upgrade to orientdb 1.6.0
updated document
update to 1.6.0 jars
trying out index lookup when index on parent class
added index lookup when querying subclass
updated blueprints orient graph to use index
updated jars to 1.6.1
now i added the 1.6.1 jars
added 1.6.2 jars