Revert yubikey feature, not needed anymore

Fix AArch64 build by disabling yubico

Merge pull request dani-garcia#294 from i-ghost/feature/add-systemd-n…

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Add systemd setup instructions to README.md

Add info about how to fix dani-garcia#176

Merge pull request dani-garcia#216 from mprasil/superuser

Implement poor man's admin panel

Merge branch 'openssl-fix'

Merge pull request dani-garcia#175 from stammw/master

Documentation for SMTP and password hint configuration

Merge pull request dani-garcia#148 from mprasil/beta

Merge Beta to master

Merge pull request dani-garcia#147 from mprasil/master

Bump version to 0.13.0 - latest Vault v1

Merge pull request dani-garcia#107 from shauder/bug/attachments_for_orgs

Bug/attachments for orgs