Patch 2 : Refactor and test improvements
- Moved the keywords reinstall to keywords/cloud_platform/system/host/system_host_reinstall_keywords.py
- Updated code to use get_return_code() directly
- Marked the test case priority
- Added short description for the test case
Patch 3 : Improve the unlock host function
Patch 4 : Change the paramenter name timeout to unlock_accepted_timeout, and incrise the default timeout to 300s
Change-Id: I8586530d69a67ea030cd0ec5710f68d5c84e5cbc
Signed-off-by: Dario Oliveira <Dario.DeOliveiraFilho@windriver.com>