Merge pull request #37 from carroarmato0/master

Ubuntu 13.10 has the easy-rsa package
More general OS support info
Parameterized SSL key length variable in vars template
Merge pull request #38 from dbryant4/ssl-key-size

Parameterized SSL key length variable in vars template
fix the dependencies, fixes #39
Fix syntax warnings
add support for the topology option, refs #28
Install the packages with ensure_packages to get around duplicate definitions errors, fixes #26
add quotes around the push parameters, fixes #36
Remain backward compatible
add support for certificate revocation, fixes #10, thanks to @xstasi
document certificate revocation
doppelt gemoppelt
bump version
fix stdlib dependency line
Merge pull request #40 from NITEMAN/dependency_fix

fix stdlib dependency line
ensure packages expetcs an array
ensure packages expetcs doesn't work with undef
Merge pull request #41 from NITEMAN/ensure_packages_array

Ensure packages expects an array and doesn't work with undef
bump version