Distutils enhancements.

Added a version number and the header and bison files to the
MANIFEST.in file to allow building a RPM using distutils.  Added
some files to be ignored by git that are part of distutils.
Raise exception for init_with_password failures
Allow use with krb5 1.8
Enable compatiblity with krb5 1.8
Merge pull request #2 from Kowh/krb1_8

Enable compatiblity with krb5 1.8
Merge branch 'master' of https://github.com/Kowh/python-kadmin into Kowh-master

Conflicts:
	PyKAdminErrors.c
Merge pull request #3 from dyarnell/master

Distutils enhancements and ifdef checks in error handler initialization.