OpenShift tests: add more create/delete application types test cases and label fixes

changes under scope:
- added new test cases for Create/Delete application
	- mostly scalable applications were not present and already they are
	- those test cases are applicable only on OpenShift Enterprise
- modified launchers to don't have to enter server name for OpenShift Online and OpenShift Enterprise
- fixed labels for OpenShift enterprise applications and cartridges
- split EmbedCartridges into EmbedCartridge and Embed Cartridges
	- first one is used for OpenShift Online
	- second is used for OpenShift Enterprise
- minor fixes (methods names, comments etc.)