pisi 2.3_alpha2

This is the second alpha for the upcoming 2.3.x releases. Beside the
minor refactoring and cosmetic changes, this release includes important
bug fixes related to delta packages. Also the installation of pisi
packages with the old format is fixed.

Changes since 2.3_alpha1
------------------------
fatih (18):
      Refactor get_file_type function
      Add missing shebang
      Fix archive tests
      Create valid repos for test cases
      Fix exceptions when path includes a trailing slash
      Install files into correct paths when the old package format is used.
      Remove redundant variable
      Print human readable error messages. We must use str instead of unicode in order to use __str__ method of exception classes.
      Check if the old and new paths refer to the same file when relocating or cleaning up.
      Show missing files in the output of pisi check
      Update ChangeLog
      Take -D parameter into account when checking files
      Take -D parameter into account when looking for file permission changes
      Yet another place that doesn't take -D parameter into account
      Update messages
      Catch empty dirs when searching for abandoned files. Always show abandoned files whether the --debug option is given or not.
      Do not show traceback for handled pisi errors
      Do not print an empty exception message

klemens (1):
      update of some spanish language files (kh)

sdalgic (2):
      correct the function name.
      warn_and_remove needs one more argument=repo

pisi/__init__.py

@@ -17,7 +17,7 @@ import sys
 import atexit
 import logging
 
-__version__ = "2.3_alpha1"
+__version__ = "2.3_alpha2"
 
 __all__ = [ 'api', 'configfile', 'db']