This commit update the project API to support "reuse_sys_cve_whitelist"
setting in project metadata and "cve_whitelist" in project request.
Also modify the interceptor to support project level CVE whitelist if
the reuse flag is false.
Signed-off-by: Daniel Jiang <jiangd@vmware.com>
Interceptor will filter the vulnerability in whitelist while calculating
the serverity of an image and determine whether or not to block client
form pulling it.
It will use the system level whitelist in this commit, another commit
will switch to project level whitelist based on setting in a project.
Signed-off-by: Daniel Jiang <jiangd@vmware.com>
