Added webpack.ProvidePlugin for most used imports

Removed imports of React, connect, PropTypes throughout
Removed the "React" in React.Component/PureComponent

app/javascript/gabsocial/features/report/containers/status_check_box_container.js

@@ -1,4 +1,3 @@
-import { connect } from 'react-redux';
 import StatusCheckBox from '../components/status_check_box';
 import { toggleStatusReport } from '../../../actions/reports';
 import { Set as ImmutableSet } from 'immutable';