Refactor T110 rule

We need to implement more rules for the other methods(DELETE/POST/PUT)
for consistent method names. Before doing that, this patch separates
common part from T110 rule for sharing it.

Partially implements blueprint consistent-service-method-names

Change-Id: I24c90d331a45a4f6ad50303c4d17e7cd4d2d784c
1 file changed