[add] info about PHP7 support, fixed donations link

Author: rvalitov

README.md

@@ -1,4 +1,4 @@
-![Version](https://img.shields.io/badge/Release-v1.5.1-green.svg?style=flat) ![Widgetkit](https://img.shields.io/badge/Widgetkit-v2.4.x+-green.svg?style=flat) ![Joomla](https://img.shields.io/badge/Joomla!-v3.4.x+-yellow.svg?style=flat) ![Wordpress](https://img.shields.io/badge/Wordpress-v4.4.x+-yellow.svg?style=flat)
+![Version](https://img.shields.io/badge/Release-v1.5.2-green.svg?style=flat) ![Widgetkit](https://img.shields.io/badge/Widgetkit-v2.4.x+-green.svg?style=flat) ![Joomla](https://img.shields.io/badge/Joomla!-v3.4.x+-yellow.svg?style=flat) ![Wordpress](https://img.shields.io/badge/Wordpress-v4.4.x+-yellow.svg?style=flat) ![PHP7](https://img.shields.io/badge/PHP7-compatible-blue.svg?style=flat)
 
 ![MapEx widget logo](https://raw.githubusercontent.com/wiki/rvalitov/widgetkit-map-ex/images/mapex-logo.png)
 
@@ -40,7 +40,8 @@ The new features that the MapEx has and that are not available in the original M
 * **Access to the original [Google Map object](https://developers.google.com/maps/documentation/javascript/reference#Map)** - Javascript object that is used in creation of the map. So, the user may change and/or modify the object as he needs from any web page using Javascript which provides vast opportunities for Javascript programmers to customize the map using native [Google Map API](https://developers.google.com/maps/documentation/javascript/tutorial), [read more](https://github.com/rvalitov/widgetkit-map-ex/wiki/Working-with-Google-Map-object-(for-Javascript-programmers)).
 
 # Supported platforms
-* The latest code is based on Widgetkit 2.5.3, however it should work with any Widgetkit 2.4.x and later (recommended 2.5.0+). Tested on Widgetkit 2.6.x and 2.7.x, too.
+* The latest code is based on Widgetkit 2.5.3, however it should work with any Widgetkit 2.4.x and later (recommended 2.5.0+). Tested on Widgetkit 2.6.x, 2.7.x and 2.8.x too.
+* PHP5 and PHP7 compatible
 * Joomla 3.4.x or later
 * Wordpress 4.4.x or later
 
@@ -72,10 +73,10 @@ You can choose any payment method you prefer:
 
 Your Currency | Payment Method
 ------------ | -------------
-Euro € | [![Card](https://img.shields.io/badge/EURO-Debit/Credit%20Card-6f202b.svg?style=flat)](https://www.paypal.com/cgi-bin/webscr?cmd=_s-xclick&hosted_button_id=BJJF3E6DBRYHA) [![PayPal](https://img.shields.io/badge/EURO-PayPal-blue.svg?style=flat)](https://www.paypal.me/valitov/15eur) [![WebMoney](https://img.shields.io/badge/EURO-WebMoney-00484f.svg?style=flat)](https://funding.wmtransfer.com/widgets-euro)
-USD $ | [![Card](https://img.shields.io/badge/USD-Debit/Credit%20Card-6f202b.svg?style=flat)](https://www.paypal.com/cgi-bin/webscr?cmd=_s-xclick&hosted_button_id=B8VMNU7SEAU8J) [![PayPal](https://img.shields.io/badge/USD-PayPal-blue.svg?style=flat)](https://www.paypal.me/valitov/15usd) [![WebMoney](https://img.shields.io/badge/USD-WebMoney-00484f.svg?style=flat)](https://funding.wmtransfer.com/widgets-usd)
-Russian Ruble ₽ | [![Card](https://img.shields.io/badge/RUB-Debit/Credit%20Card-6f202b.svg?style=flat)](https://money.yandex.ru/to/410011424143476) [![PayPal](https://img.shields.io/badge/RUB-PayPal-blue.svg?style=flat)](https://www.paypal.me/valitov/150rub) [![WebMoney](https://img.shields.io/badge/RUB-WebMoney-00484f.svg?style=flat)](https://funding.wmtransfer.com/widgets-rub) [![YandexMoney](https://img.shields.io/badge/RUB-YandexMoney-5b0d56.svg?style=flat)](https://money.yandex.ru/to/410011424143476)
-Other | [![Card](https://img.shields.io/badge/OTHER-Debit/Credit%20Card-6f202b.svg?style=flat)](https://www.paypal.com/cgi-bin/webscr?cmd=_s-xclick&hosted_button_id=BJJF3E6DBRYHA) [![PayPal](https://img.shields.io/badge/OTHER-PayPal-blue.svg?style=flat)](https://www.paypal.me/valitov) [![WebMoney](https://img.shields.io/badge/OTHER-WebMoney-00484f.svg?style=flat)](https://funding.wmtransfer.com/widgets-euro)
+Euro € | [![Card](https://img.shields.io/badge/EURO-Debit/Credit%20Card-6f202b.svg?style=flat)](https://www.paypal.com/cgi-bin/webscr?cmd=_s-xclick&hosted_button_id=BJJF3E6DBRYHA) [![PayPal](https://img.shields.io/badge/EURO-PayPal-blue.svg?style=flat)](https://www.paypal.me/valitov/0eur) 
+USD $ | [![Card](https://img.shields.io/badge/USD-Debit/Credit%20Card-6f202b.svg?style=flat)](https://www.paypal.com/cgi-bin/webscr?cmd=_s-xclick&hosted_button_id=B8VMNU7SEAU8J) [![PayPal](https://img.shields.io/badge/USD-PayPal-blue.svg?style=flat)](https://www.paypal.me/valitov/0usd) 
+Russian Ruble ₽ | [![Card](https://img.shields.io/badge/RUB-Debit/Credit%20Card-6f202b.svg?style=flat)](https://money.yandex.ru/to/410011424143476) [![PayPal](https://img.shields.io/badge/RUB-PayPal-blue.svg?style=flat)](https://www.paypal.me/valitov/0rub) [![YandexMoney](https://img.shields.io/badge/RUB-YandexMoney-5b0d56.svg?style=flat)](https://money.yandex.ru/to/410011424143476)
+Other | [![Card](https://img.shields.io/badge/OTHER-Debit/Credit%20Card-6f202b.svg?style=flat)](https://www.paypal.com/cgi-bin/webscr?cmd=_s-xclick&hosted_button_id=BJJF3E6DBRYHA) [![PayPal](https://img.shields.io/badge/OTHER-PayPal-blue.svg?style=flat)](https://www.paypal.me/valitov)
 
 # Support or Contact
 Having trouble with MapEx Widget? May be something has already been described in the [Wiki area](https://github.com/rvalitov/widgetkit-map-ex/wiki) or reported in the [issue tracker](https://github.com/rvalitov/widgetkit-map-ex/issues). If you don't find your problem there, then, please, add your issue there.