This patch
* changes artifact version option from -v to -V for all blob commands
* adds option -C for setting custom content-type for blob uploading
* removes unnecessary possibility for setting content-type for
external locations
Change-Id: I2f51ce588db3f88d9309081a3d52541a45746d88
Added the ability to access by name of the artifact.
To access the artifacts by 'id' must specify the appropriate flag.
Change-Id: I776cd8cb0c15fb58891ae7f06d1c1272a4f3478c
If user wants to remove(reset) non-compound properties,
then client sets value None to the property and sends
PATCH request with 'replace' operator.
Compound properties are processed as well as before.
Change-Id: Ib3469cf125beaca0e3c7041bc1e198e1ef7f2c19
