Bug fixes in init-db, dependencies updated

Server

16d03af Dependencies updated.
f5fdddc 52b2ff6 Fix root user handling in init-db.

Tindroid

• Bug fixes
• Hindi translation
  https://github.com/tinode/tindroid/releases/tag/v0.21.5

Webapp

• Dependencies updated
• Minor visual tweaks.
  https://github.com/tinode/webapp/releases/tag/v0.21.3

JS SDK

• Dependencies updated.