Implemented report generators using Jinja2
Incremented minor version number
Removed unused method in integration test
Merge branch 'master' into will/jinja2-templates
Updated CHANGELOG
Merge branch 'master' into will/jinja2-templates

Conflicts:
	CHANGELOG
	diff_cover/__init__.py
Merge branch 'cale/violation-reporter' into will/jinja2-templates

Conflicts:
	diff_cover/report_generator.py
	requirements.txt
Merge branch 'master' into will/jinja2-templates
Merge pull request #10 from edx/will/jinja2-templates

Will/jinja2 templates