modified: ri_func_dep.py
modified: ri_main.py
modified: ri_tk_cmd.py
Because the function sort() return value is not a list. it is return <type 'NoneType'>.so use for k in ri_data.MountPoint.dict{}.keys().sort() must be throw a exception
2. in ri_data.py, fix an error on Raid instance construction
3. in ri_func_dep.py, use common function ri_data.Group.get_install_pkgs()
4. in ri_install.py, add logic to config install.xml location
5. rename test.py to ri_main.py
6. in ri_main.py, add logic to set config.xml location
7. in ri_main.py, modify the way to get parameters.
