heat template fixed
delete_item method was implemented

Also small bugs were fixed and pep8 requirements
were meet
Merge pull request #42 from sirmax123/deployment

heat template fixed
Merge pull request #43 from dukhlov/master

delete_item method was implemented
Query method was fixed. Storage interface changed
Query method was fixed. Storage interface changed
tests were fixed
Merge branch 'master' of ssh://github.com/dukhlov/magnetodb

Conflicts:
	magnetodb/storage/__init__.py
	magnetodb/storage/impl/cassandra_impl.py
storage impl select call fixed
Merge pull request #44 from dukhlov/master

query method fixed, storage api was fixed