Upgrade (#568)

Merge pull request #568
* add new example for provider
* update google service oauth2
* update readme
* move examples
* update google test

Author: Georgiy

.gitignore

@@ -5,3 +5,4 @@ examples/init.php
 atlassian-ide-plugin.xml
 nbproject/
 .phpunit.result.cache
+.com

README.md

@@ -92,7 +92,14 @@ Included service implementations
 
 Examples
 --------
-Examples of basic usage are located in the examples/ directory.
+```bash
+    php -S localhost:8000 -t examples
+```
+Then point your browser to:
+```text
+    http://localhost:8000/
+```
+
 
 Usage
 ------
@@ -113,4 +120,4 @@ Tests
 ------
 ```bash
     composer tests
-```
+```