removed references to backports. This should not be set in modules.
file renaming to be compliant with recommended module structure.
batch fix of deprecated puppet:/// calls without specifying 'modules'.
postgis: use postgresql-module default parameters
postgis: use default postresql cluster name instead of default cluster path
Add postgresql 9.1 support
prefix operatingsystem and lsbdistcodename with '::'
coding style: simple quote
rename v9-1 to v9_1
Merge pull request #5 from fredj/9.1

Add postgresql 9.1 support
postgis - add wheezy support
Merge pull request #7 from mfournier/wheezy-support

postgis - add wheezy support
postgis: module parametrization

Massive code cleanup using far less classes but with a parameter for
the postgresql version.

Include classes for redhat support (not actually implemented) and removed
ancient ubuntu support.
Merge pull request #8 from ckaenzig/params

postgis: module parametrization