Fix event types.

src/components/ContactEdit.tsx

@@ -83,7 +83,7 @@ const ValueTypeComponent = (props: ValueTypeComponentProps) => {
         hintText={props.hintText}
         style={props.style}
         value={props.value.value}
-        onChange={(event: any) => props.onChange(props.name, props.value.type, event.target.value)}
+        onChange={(event: React.ChangeEvent<any>) => props.onChange(props.name, props.value.type, event.target.value)}
       />
       <IconButton
         onClick={() => props.onClearRequest(props.name)}
@@ -245,7 +245,7 @@ class ContactEdit extends React.PureComponent {
     this.handleChange(name, value);
   }
 
-  onSubmit(e: any) {
+  onSubmit(e: React.FormEvent<any>) {
     e.preventDefault();
 
     let contact = (this.props.contact) ?

src/components/EventEdit.tsx

@@ -99,7 +99,7 @@ class EventEdit extends React.PureComponent {
 
   }
 
-  handleInputChange(event: any) {
+  handleInputChange(event: React.ChangeEvent<any>) {
     const name = event.target.name;
     const value = event.target.value;
     this.handleChange(name, value);
@@ -109,7 +109,7 @@ class EventEdit extends React.PureComponent {
     this.setState({allDay: !this.state.allDay});
   }
 
-  onSubmit(e: any) {
+  onSubmit(e: React.FormEvent<any>) {
     e.preventDefault();
 
     if ((this.state.start === '') || (this.state.end === '')) {

src/components/LoginForm.tsx

@@ -45,7 +45,7 @@ class LoginForm extends React.PureComponent {
     this.handleInputChange = this.handleInputChange.bind(this);
   }
 
-  handleInputChange(event: any) {
+  handleInputChange(event: React.ChangeEvent<any>) {
     const name = event.target.name;
     const value = event.target.value;
     this.setState({

src/widgets/DateTimePicker.tsx

@@ -28,7 +28,7 @@ class DateTimePicker extends React.PureComponent {
     this.reportChange = this.reportChange.bind(this);
   }
 
-  handleInputChange(event: any) {
+  handleInputChange(event: React.ChangeEvent<any>) {
     const name = event.target.name;
     const value = event.target.value;
     this.setState(