PR #231:

• Remove support for Django 1.8
• Deprecate CHANGELOG in favor of Github releases

Modernization PR #230

• Replace print statements with logging
• Remove unused imports and variable assignments
• Allow flexible library versions
• Remove bare except clauses
• Override standalone settings while testing

• Bug fix for django 1.11 support - resolve library incompatibility
• Fixes for front-end documentation

• Modernize retirement app #223
• Deprecate use of lxml for html parsing #224
• Add Django 1.11 support to this project #225
• Disable package-lock.json on Travis #227

• Add noopener attribute to window.open

• Add handling for leap day birthdays
• Update dependencies with Snyk's wizard

• Update to frontend to gulp 4.
• Update linter to ESLint 4.
• Add rel attribute to links with target blank.
• Change from npm-shrinkwrap to package-lock.
• Remove gulp watch task.

• Regenerates Spanish translation binary

• Specify year in test_get_test_params_in_january
• Enforce use of Node 6 to build the frontend
• Support optional testing of other databases
• Updates IRS link slugs and Spanish translations
• Documenting browser support

Fix for meta tag on /retirement/before-you-claim/