修改disk模块和network模块的测试用例，模块执行通过

修改disk模块和network模块的测试用例，模块执行通过
Merge branch 'master' of https://github.com/faylau/oVirt3.3WebAPITest

Conflicts:
	.settings/org.eclipse.core.resources.prefs
	src/TestAPIs/DiskAPIs.py
	src/TestCases/Cluster.py