Revert "added class style named 'flex', removed global styles for flexBox. These were causing performance issues on more complex applications. This was done from base css file ios.css."
Revert "added class style named 'flex', removed global styles for flexBox. These were causing performance issues on more complex applications. This was done from base css file ios.css."

This reverts commit 2a14086ee6c7cac546a7229559d5b4e2115a3b37.

jhopper28/reapp-ui,reapp/reapp-ui