VMM/cli: small optimizations in the functions w_std() and w_err()

Moved VirtualMailManager/Exceptions to VirtualMailManager/errors. Renamed VMM*Exception classes to *Error. No longer add the attribute 'message' to VMMError if it doesn't exist, like in Python 2.4. It has been deprecated as of Python 2.6. Also removed the methods code() and msg(), the values are now accessible via the attributes 'code' and 'msg'.

PEP-8-ified the work of the last days. Renamed methods in class Alias: addDestination() -> add_destination() delDestination() -> del_destination() getDestinations() -> get_destinations() Renamed methods in class Relocated: setDestination() -> set_destination() getInfo() -> get_info() Renamed VMM/constants/VERSION.py -> VMM/constants/version.py Adjusted relevant parts of the documentation.

VMM/Exceptions: use the inherited CTor in all VMM*Exception classes.

VMM:/{Alias,EmailAddress,Relocated}: use assertions for argument checks.

doc: extended documentation.

VMM/Config: LazyConfig.getboolean(), convert the value in our getboolean. So RawConfigParser hasn't to do the whole get() stuff again.

Added 'doc/build' to the ignored files.

VMM{/Config}: reduced docstrings. Added doc to the repository.

VMM: removed unneeded/duplicated regular expression definitions

VMM/Config: moved Config.sections() to class LazyConfig. No longer import the ENCODING from VirtualMailManager, it's no longer required in the Config module.

VMM/Config: renamed LazyConfig's get_boolean() to getboolean(). VMM/cli/Config: import required ConfigParser.RawConfigParser.

VMM/cli: added __init__.py to the repository.

VMM/{,cli/}Config: fixed imports. Small code cleanups and cosmetic.

VMM/Alias: small code cleanups and cosmetic.

VMM/Relocated: small code cleanups and cosmetic.

VMM/Config: LazyConfigOption.__init__() cast 'default' to 'cls'. If the default value is not None, make sure it has the proper type.

VMM/Config: attributes of class LazyConfigOption are read-only now. Some small code cleanups.

VMM: renamed function chk_domainname() -> check_domainname(). Moved EmailAddress.check_localpart() -> VirtualMailManager.check_localpart(). Some small code cleanups in class EmailAddress.

VMM/Domain: added function get_gid() to the Domain module. We don't need to load all the domain related information from the database, when we need only the GID of a domain. For example in the Alias or Relocated classes.

VMM/{Relocated,Handler}: reworked Relocated class, adjusted Handler.

VMM/{Alias,Handler}: reworked Alias class, adjusted Handler class. Handler: - attribute _dbh is no longer private, the VMM/cli/Handler uses it also. - adjusted to changes in Alias and EmailAddress classes.

VMM/EmailAddress: reworked class EmailAddress again. The attributes domainname and localpart are now read-only.

VMM/EmailAddress: reworked once more. - moved EmailAddress.__chkLocalpart() -> __module__.check_localpart() - renamed EmailAddress.__chkAddress() -> EmailAddress._chk_address() - attributes domainname and localpart are no longer protected - added missing doc strings.

VMM/EmailAddress: rework EmailAddress class.

VMM/Handler: fixed a SyntaxError. Oops

VMM/Handler: __mailDirMake() add warning for skipped mailboxes. - domainInfo() removed old deprecated warning. - fixed PEP8 warnings.

VMM/{,cli/}Handler: reverted most of cs cf1b5f22dbd2 added a cli handler. Moved the interactive stuff from VMM/Handler to the derived VMM/cli/Handler.