added tests for Rails generator #307

Looks like rails neo4j generator works
relax dependencies to allow for 'rails', '4.1'
fixed deprecation warning
Merge pull request #332 from wintersolutions/rails4.1

Relaxed Dependencies for Rails 4.1
allow session options via 'config.neo4j.session_options'

All options from HTTParty are available. For more Information see http://rdoc.info/github/jnunemaker/httparty/HTTParty/ClassMethods

example:

config.neo4j.session_options = { basic_auth: { username: 'foo', password:  'bar'} }
config.neo4j.session_type = :server_db
config.neo4j.session_path = 'http://localhost:7474'
fix specs
Merge pull request #333 from wintersolutions/cypher_authentication

allow session options via 'config.neo4j.session_options'
release 3.0.0.alpha.5
username/password in connection string are recognized now
Merge pull request #334 from wintersolutions/heroku-authentication

username/password in connection string are recognized now
release 3.0.0.alpha.6