* feat(mobile): add U2F support for Android devices * chore: fix specs
* feat(snjs): add revisions api v2 * fix(snjs): reference listing and getting revisions in specs * fix(snjs): revisions specs * fix(web): usage of revision metadata * fix(snjs): add specs for decryption revision * fix(snjs): issue with building mocked specs * fix(snjs): adjust revision creation delay