VE-1519 Adding a test to upload file with a changed file name
VE-1519 Adding documentation
Merge remote-tracking branch 'origin/master' into VE-1519

Conflicts:
	src/test/java/com/wikia/webdriver/PageObjectsFactory/PageObject/WikiBasePageObject.java
	src/test/java/com/wikia/webdriver/TestCases/VisualEditor/VEMediaTests.java
Merge pull request #279 from Wikia/VE-1519

VE-1519 Adding a test to upload file with a changed file name