2.2.0-beta1

• Bump minimum core version requirement to 4.3 (Robbie Averill) - 73eb3c1
• Building distribution files (Guy Marriott) - 2067a3b
• Updating yarn.lock (Guy Marriott) - 3830a74
• Updating to use injector & removing storybook (Guy Marriott) - 5aed71b
• Revert modification of tests to keep B/C (Guy Marriott) - fac6a03
• Simplifying included custom styling - a lot (Guy Marriott) - b60bdab
• Adding NPM tests to travis (Guy Marriott) - e67ed8d
• Adding tests & various feedback updates (Guy Marriott) - cef407d
• Travis fixes (Guy Marriott) - 70e83c0
• Additional changes to convert tagfield to use react-select (Guy Marriott) - ff3c8eb
• NEW Converting tagfield to use react components (Guy Marriott) - 77f1096
• Add supported module badge to readme (Dylan Wagstaff) - 4795a30