Lenet operators

Added backend_cuda for the following operators:

• AvgPooling
• FC/Gemm
• MaxPooling
• ReLU

.gitlab/ci/_global.gitlab-ci.yml

@@ -13,8 +13,6 @@ variables:
 workflow:
   rules:
     - if: $CI_PIPELINE_SOURCE == "merge_request_event"
-    - if: $CI_COMMIT_BRANCH && $CI_OPEN_MERGE_REQUESTS
-      when: never
     - if: $CI_COMMIT_BRANCH
 
 default: