Introduce custom input elems for modals

src/components/inputs/StringInput.jsx

@@ -0,0 +1,23 @@
+import React from 'react'
+import input from '../../config/input.js'
+
+class StringInput extends React.Component {
+  static propTypes = {
+    value: React.PropTypes.string.isRequired,
+    style: React.PropTypes.object,
+    onChange: React.PropTypes.func.isRequired,
+  }
+
+  render() {
+    return <input
+      style={{
+        ...input.input,
+        ...this.props.style
+      }}
+      value={this.props.value}
+      onChange={e => this.props.onChange(e.target.value)}
+    />
+  }
+}
+
+export default StringInput