Changed the Gemfile to include development and production modes
Revert "Changed the Gemfile to include development and production modes"

This reverts commit f76bae293b2036b89f66183842e61d8097dfd9b3.
Revert "Revert "Changed the Gemfile to include development and production modes""

This reverts commit 8bad3bc4832dc47e0213697c5c3f45ada64c5f66.