Merge pull request #327 from Jedwondle/master

Added the 'add' functions for solr.
Merge branch 'master' of https://github.com/di2e/openstorefront
Merge pull request #328 from Jedwondle/master

Merge branch 'master' of https://github.com/di2e/openstorefront
Merge branch 'master' of https://github.com/di2e/openstorefront