tests: added how to run tests and introduced tests config files

Author: jkuchar

README.md

@@ -3,4 +3,17 @@ MailLibrary
 
 A PHP library for downloading mails from server.
 
-Documentation can be found at http://greeny.github.io/MailLibrary/.
+Documentation can be found at http://greeny.github.io/MailLibrary/.
+
+Testing
+-------
+
+Install dependencies using composer and then run following in library root directory.
+
+````cmd
+# Unix
+vendor\bin\tester -c tests\php-unix.ini tests
+
+# Windows
+vendor\bin\tester -c tests\php-windows.ini tests
+````

tests/php-unix.ini

@@ -0,0 +1,5 @@
+[PHP]
+;extension_dir = "./ext"
+extension=mbstring.so
+extension=imap.so
+date.timezone = "Europe/Prague"

tests/php-windows.ini

@@ -0,0 +1,5 @@
+[PHP]
+extension_dir = "./ext"
+extension=php_mbstring.dll
+extension=php_imap.dll
+date.timezone = "Europe/Prague"