added protection for non-existant paths for blueprint upload, and also now processing the path through expanduser
added protection for non-existant paths for blueprint upload, and also now processing the path through expanduser

codilime/cloudify-cli,isaac-s/cloudify-cli,cloudify-cosmo/cloudify-cli,mahak/cloudify-cli,geokala/cloudify-cli,codilime/cloudify-cli,isaac-s/cloudify-cli,codilime/cloudify-cli,isaac-s/cloudify-cli,01000101/cloudify-cli,geokala/cloudify-cli,mahak/cloudify-cli,01000101/cloudify-cli,codilime/cloudify-cli,cloudify-cosmo/cloudify-cli,01000101/cloudify-cli,isaac-s/cloudify-cli,mahak/cloudify-cli,mahak/cloudify-cli