Fix scrolling on small devices for account timelines and compose column

app/assets/javascripts/components/features/account/index.jsx

@@ -74,13 +74,11 @@ const Account = React.createClass({
 
     return (
       <Column>
-        <div style={{ display: 'flex', flexDirection: 'column', 'flex': '0 0 auto', height: '100%' }}>
         <Header account={account} me={me} />
 
         <ActionBar account={account} me={me} onFollow={this.handleFollow} onBlock={this.handleBlock} />
 
         {this.props.children}
-        </div>
       </Column>
     );
   }

app/assets/javascripts/components/features/ui/components/drawer.jsx

@@ -5,7 +5,8 @@ const style = {
   background: '#454b5e',
   padding: '0',
   display: 'flex',
-  flexDirection: 'column'
+  flexDirection: 'column',
+  overflowY: 'auto'
 };
 
 const Drawer = React.createClass({