[evol] move IMAP code into a new class
[evol] moved the mail processing into a new class returning proper orders
[evol] split objects abstraction layer and ldap layer in libs
[evol] add abstraction level above LDAP layer #2 + cleanup + indent
[evol] move LDAP settings out of code and use global logger
[evol] add abstraction level above LDAP layer #1
[evol] handle case when signed content is multipart and propagate other parts as refs for CommandParser
[evol] properly moved tmail signature handling out of postman in a library (which i should probably suggest upstream)
[evol] added postman bot (not fully cyborgified yet)