Merge pull request #2 from kwattro/dev

refactored http client to be autonome and fixed deps versions
added travis
Merge pull request #3 from kwattro/travis

added travis
little mod to trigger travis
added neo4j service to travis
Merge pull request #4 from kwattro/travis

neo4j added as travis service
specified tag version for composer
build img
added br alias
removed refactored client class
introduced transaction and Result class