* Add ipmi modules for power and boot management
* ipmi_power - module for power management
Parameters:
- name
- port
- user
- password
- state
- timeout
* ipmi_boot - module for boot order management
Parameters:
- name
- port
- user
- password
- bootdev
- state
- persist
- uefi
* Fixed copyright
* Supported check mode
Also added description for RETURN
* Added ipmi to list of excludes of tests for python2.4
* added no_log=True for secrets
* added type for port and mark bootdev as required field
