[B1807] Updated input name to fix quantity issue.
added cache clear for payment modules upon install/remove
disabled group pricing switched
Merge pull request #275 from loadedcommerce/B1806

added cache clear for payment modules upon install/remove
Merge pull request #276 from loadedcommerce/B1807

B1807
Merge pull request #277 from loadedcommerce/B1811

disabled group pricing switched
Merge pull request #278 from loadedcommerce/release-7.000.0.0

Release 7.000.0.0