Added an admin service to load and cache system vc (solved #268)

Change-Id: I67e4ba5d5972d6a099203e6f5e6a123090c61c93
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 # version 0.69.3
 
 - Moved the service path of VC admin services to admin/vc (closed #543)
+- Added an admin service to load and cache system vc (solved #268)
 
 
 # version 0.69.2