little tidyups

interface/src/forms/ManageUsersForm.js

@@ -15,7 +15,6 @@ import TableHead from '@material-ui/core/TableHead';
 import TableRow from '@material-ui/core/TableRow';
 import Box from '@material-ui/core/Box';
 
-
 import EditIcon from '@material-ui/icons/Edit';
 import DeleteIcon from '@material-ui/icons/Delete';
 import CloseIcon from '@material-ui/icons/Close';
@@ -157,7 +156,7 @@ class ManageUsersForm extends React.Component {
                       <TableRow>
                         <TableCell>Username</TableCell>
                         <TableCell align="center">Admin?</TableCell>
-                        <TableCell align="center">Action</TableCell>
+                        <TableCell />
                       </TableRow>
                     </TableHead>
                     <TableBody>

interface/src/forms/UserForm.js

@@ -43,8 +43,8 @@ class UserForm extends React.Component {
     const { classes, user, creating, handleValueChange, handleCheckboxChange, onDoneEditing, onCancelEditing } = this.props;
     return (
       <ValidatorForm onSubmit={onDoneEditing} ref={this.formRef}>
-        <Dialog onClose={onCancelEditing} aria-labelledby="modify-user-dialog-title" open={true} scroll="paper">
-          <DialogTitle id="modify-user-dialog-title">Modify User</DialogTitle>
+        <Dialog onClose={onCancelEditing} aria-labelledby="user-form-dialog-title" open={true} scroll="paper">
+          <DialogTitle id="user-form-dialog-title">{creating ? 'Create' : 'Modify'} User</DialogTitle>
           <DialogContent>
             <TextValidator
               validators={creating ? ['required', 'uniqueUsername', 'matchRegexp:^[a-zA-Z0-9_\\.]{1,24}$'] : []}