v2.0.0 Alpha 2

Description

• getFirebase exposed to mirror v1.*.* API - #167
• Improved initialization - #170
• README Simplified
• More unit tests passing (including populate)
• Migration guide includes redux-persist example

Check List

• All tests passing
• Docs updated with any changes or examples
• Added tests to ensure feature(s) work properly

Relevant Issues

• #167
• #170