Added common func delete_entity in base module
Search func only requires only name of entity & no locators
Merge branch 'master' into common-func

Conflicts:
	robottelo/ui/architecture.py
	robottelo/ui/domain.py
	robottelo/ui/medium.py
	robottelo/ui/partitiontable.py
	tests/ui/test_architecture.py
	tests/ui/test_domain.py
	tests/ui/test_medium.py
	tests/ui/test_partitiontable.py
	tests/ui/test_role.py
Fixes needed in search func calls after resolving conflicts
Moved manage_org locator under menu_locator dict
Removed ajax_wait due to 'waiting for page to load' issue
Merge branch 'master' into common-func

Conflicts:
	tests/ui/test_operatingsys.py
Reverted ajax and removed sleep from base & user module
Merge pull request #268 from kbidarkar/common-func

Added common func delete_entity in base(ui) module