fix _exitfunc to actually exit
initial version of requirements.txt
switch nagios-cli to use env python
Merge pull request #33 from neoice/basic-virtualenv

add some basic support for virtualenv
Exit even if pid file does not exist
Merge pull request #31 from lollipopman/fix_sigterm

fix _exitfunc to actually exit
Bump version to 1.2.2

Also fix the build, add a MANIFEST file, etc.
Update requirements.txt

dnspython 1.10.0 is no longer distributed; update the requirements to the latest stable version.