Cleanup & fixing after hoodie.js refactoring

[gr2m]

Blocking issues

• [x] https://github.com/hoodiehq/hoodie-server/pull/324
• [x] https://github.com/hoodiehq/hoodie-server/issues/327
• [x] https://github.com/hoodiehq/hoodie.js/issues/352
• [x] https://github.com/hoodiehq/hoodie.js/issues/363
• [x] https://github.com/hoodiehq/hoodie.js/issues/372
• [x] https://github.com/hoodiehq/hoodie.js/issues/376
• [x] https://github.com/hoodiehq/hoodie.js/issues/377
• [x] https://github.com/hoodiehq/hoodie.js/issues/378
• [x] https://github.com/hoodiehq/hoodie.js/issues/379
• [x] https://github.com/hoodiehq/hoodie.js/issues/380
• [x] https://github.com/hoodiehq/hoodie.js/issues/381

easy fixes, would be good

• [x] https://github.com/hoodiehq/hoodie-server/issues/322
• [x] https://github.com/hoodiehq/hoodie.js/issues/184
• [x] https://github.com/hoodiehq/hoodie.js/issues/241
• [x] https://github.com/hoodiehq/hoodie.js/issues/283
• [x] https://github.com/hoodiehq/hoodie.js/issues/361
• [x] https://github.com/hoodiehq/hoodie.js/issues/364
• [x] https://github.com/hoodiehq/hoodie.js/issues/365
• [x] https://github.com/hoodiehq/hoodie.js/issues/366
• [x] https://github.com/hoodiehq/hoodie.js/issues/367
• [x] https://github.com/hoodiehq/hoodie.js/issues/369

[gr2m]

moved https://github.com/hoodiehq/hoodie.js/issues/211 and https://github.com/hoodiehq/hoodie-server/issues/319 to own milestone tasks