fix propTypes deprecation issue (#36)

package.json

@@ -54,6 +54,7 @@
   "dependencies": {
     "classnames": "^2.2.5",
     "moment-jalali": "^0.3.9",
+    "prop-types": "^15.5.10",
     "rc-trigger": "^1.7.2",
     "react-onclickoutside": "^5.3.3",
     "react-tether": "^0.5.2"

src/components/Calendar.js

@@ -1,4 +1,5 @@
-import React, { Component, PropTypes } from 'react';
+import React, { Component } from 'react';
+import PropTypes from 'prop-types';
 import DaysViewHeading from './DaysViewHeading';
 import DaysOfWeek from './DaysOfWeek';
 import MonthSelector from './MonthSelector';

src/components/DatePicker.js

@@ -1,4 +1,5 @@
-import React, { Component, PropTypes } from 'react';
+import React, { Component } from 'react';
+import PropTypes from 'prop-types';
 import moment from 'moment-jalali';
 import TetherComponent from 'react-tether';
 import Calendar from './Calendar';

src/components/Day.js

@@ -1,4 +1,5 @@
-import React, { Component, PropTypes } from 'react';
+import React, { Component } from 'react';
+import PropTypes from 'prop-types';
 import classnames from 'classnames';
 import { persianNumber } from '../utils/persian';
 

src/components/DaysOfWeek.js

@@ -1,4 +1,5 @@
-import React, { Component, PropTypes } from 'react';
+import React, { Component } from 'react';
+import PropTypes from 'prop-types';
 
 // Day of week names for use in date-picker heading
 const dayOfWeekNames = ['ش', 'ی', 'د', 'س', 'چ', 'پ', 'ج'];

src/components/DaysViewHeading.js

@@ -1,4 +1,5 @@
-import React, { Component, PropTypes } from 'react';
+import React, { Component } from 'react';
+import PropTypes from 'prop-types';
 import { persianNumber } from '../utils/persian';
 import { leftArrow, rightArrow } from '../utils/assets';
 

src/components/MonthSelector.js

@@ -1,4 +1,5 @@
-import React, { Component, PropTypes } from 'react';
+import React, { Component } from 'react';
+import PropTypes from 'prop-types';
 import moment from 'moment-jalali';
 import classnames from 'classnames';
 import MonthsViewHeading from './MonthsViewHeading';

src/components/MonthsViewHeading.js

@@ -1,4 +1,5 @@
-import React, { Component, PropTypes } from 'react';
+import React, { Component } from 'react';
+import PropTypes from 'prop-types';
 import { persianNumber } from '../utils/persian';
 import { leftArrow, rightArrow } from '../utils/assets';