* update case for task 189,xcat-inventory osimage support environment variables(export part)
* update case according to yaml file format change
* update import file for json format
* put stanza file and compare the stanza file
* update cases for task168, support environment variables in osimage inventory data and files
* update label for this case
* update label for this case
* update according to comments
* update according to comments
* add case for task 164,exporting the files referred in #INCLUDE:# in pkglist, otherpkglist, etc.. for xcat-inventory
* update according to comments
* correct the export and import result directories,and remove unwantd files
* update label for this case