markdown meh'
Added Configuration through `make configure` + other changes

- `make install` installs the app
- `make configure` configures the app
- broke the imap thingy, it needs rewrite but don't feel like doing it now
- added unread count to the UI
- load more now spins when loading
- added in-app account settings
- added password change capability
- I smoked crack and wrote my vision of Dolphyn Mail in the readme
- started renaming arkhaios-mail to Dolphyn Mail. Don't have internet so don't know if the name is taken or ™
- hashing iterations now based on configuration
- DB now based on configuration file and can be overwritten by env variables like before
made some space in server.js

- added some TODOs
- I made more destructive changes in Imap usage, again :/