Feature/webdriverio v5 (#3)

* chore(package): update to webdriverio 5

* chore(package): update wdio config for version 5

* refactor(webdriver-service): implement wdio v5 changes

* chore(package): update blackbox tests

* fix(wdio-ci-config): add sauce service

* chore(wdio-config): set log level

* refactor(page-po): await text

* refactor(page-steps): add some wait expressions

* chore(package): bump version due to breaking change (webdriverio v5.*)

.npmignore

@@ -1,6 +1,9 @@
 # src
 src
 
+# scripts
+scripts
+
 # test
 **/*.spec.*
 
@@ -14,4 +17,4 @@ jasmine.json
 *.iml
 
 # ci
-.circleci
+.circleci

README.md

@@ -8,11 +8,10 @@ Enable this plugin in your config file:
 
 ```js
 exports.config = {
-    plugins: {
-       '@ng-apimock/webdriverio-plugin': {
+    services: [['wdio-ng-apimock-service'],  {
            globalName: 'ngApimockWebdriverioPlugin' // optional option (defaults to ngApimock)  
-       } 
-    }
+       }
+    ]
 };
 ```
 
@@ -37,10 +36,10 @@ Sets the delay time in milliseconds for the mock. This makes sure the response i
 ##### echoRequest(name: string, echo: boolean): Promise<any>; 
 Sets the indicator which enables / disables the request logging.
 
-##### setVariable(key: string, value: string): Promise<any>;
+##### setVariable(key: string, value: any): Promise<any>;
 Adds or updates the global variable.
 
-##### setVariables(variables: {[key: string]: string;}): Promise<any>;
+##### setVariables(variables: {[key: string]: any;}): Promise<any>;
 Adds or updates the global variables  ie. {'some':'value', 'another': 'value'}.
 
 ##### deleteVariable(key: string): Promise<any>;