Stable Release v1.3.1

Raw Notes

• Made onInitialize hook async (3a34732)
• Removed Promise.all (3a34732)
• Changed getConfig signatures (4150e70)
• Allow configs to be added on the fly (4150e70)
• Don't show sign-in side bar on initialization error (72ef0a9)
• Improved feedback for unreachable server during initialization (28cedfa)