Fixed local variable deprecation warnings

Before this patch local variables that appeared in the
mongod.conf.erb template were not prefixed with an '@'. This
style is deprecated and produces warnings. This commit fixes
those warnings.
Merge pull request #50 from hogepodge/warnings

Fixed local variable deprecation warnings
Removed test support for Puppet 2.6

Compatibility for Puppet 2.6 was broken when local varable
reference warning were fixed in templates.
Merge pull request #52 from hogepodge/remove_2.6_support

Removed test support for Puppet 2.6
Fix user group and log directories for 10gen/local

Closes #35

Handle logpath correctly based on packages being used.  Also ensure that
logpath is created.

Fix dbpath based on packages being used.  Also make sure the path is
created.

Ensure dbpath and log directory exist before service starts.

Add dependency on stdlib >= 2.2.0

puppet-lint fixes
Fix user group and log directories for 10gen/local

Closes #35

Handle logpath correctly based on packages being used.  Also ensure that
logpath is created.

Fix dbpath based on packages being used.  Also make sure the path is
created.

Ensure dbpath and log directory exist before service starts.

Add dependency on stdlib >= 2.2.0

puppet-lint fixes
Merge branch 'hubspotdevops-logpath_dbpath_ensure' of github.com:hogepodge/puppetlabs-mongodb into hubspotdevops-logpath_dbpath_ensure

Conflicts:
	manifests/params.pp
Merge pull request #51 from hogepodge/hubspotdevops-logpath_dbpath_ensure

Fix user group and log directories for 10gen/local