Allow custer configuration to be optional

Add in a clustered configuration option (set by default to false) to
control if clustered packages and configuration are used or not
Merge pull request #2 from ggillies/master

Allow custer configuration to be optional
Update changelog for 1.0.2.
Add SSL support
Add NSS database password as a required param when SSL is enabled
Merge pull request #5 from rcritten/master

Add SSL support