varnish: services fix for puppet 2.7 compatibility

Puppet 2.7 defaults hasstatus to true. Varnishes status commands don't seems
to work well. Using patterns in services seems more reliable.
varnish: workaround for libvarnish-dev issues on squeeze.
Add Amazon Linux support
fix deprecation warnings
Merge pull request #9 from republicwireless/master

Amazon Linux support
augeas: use incl/lens to make loading faster.
Merge pull request #10 from mfournier/augeas-lens-incl

augeas: use incl/lens to make loading faster.
The location of the nagios plugin source has changed.

Now on github, in another repo than the varnish sources.
2.1: the commit 70e4ded1221846d4149dd743e2ac634946c313ad has the svn tag 4009
2.0: the commit a64abfb7e70fd1f6b53ff64f9ddeafb7209c0b23 is the last one were the MAC_STAT macro has 4 arguments.
Merge pull request #11 from mremy/update_nagios_check_varnish_source

The location of the nagios plugin source has changed.