Bit of renaming.
Make Record castable to dict.
Fixed everything broken when Record changed.
Use 2.1.4
Updated .gitignore
Comprehensive exception hierarchy.
Update bau.
Record adjustments.
Fix record tests and add tart.
Merge branch 'alpha/2.0' into calendar

Conflicts:
	py2neo/cypher/core.py
	test/cypher/cypher_record_test.py