-Renamed and grouped stages.

-Added comment blocks.
-Added trigger to OPC UA test based on changed SOF/RBF (.tar.gz) file.

.gitlab-ci.yml

 stages:
-    - sim-compile
-    - sim-simulate
-    - hw-compile
-    - hw-check-fmax
-    - hw-check-programming-files
-
-sim-compile:
-    stage: sim-compile
+    - simulation
+    - synthesis
+    - hardware
+
+
+###############################################################################
+# Simulation stage
+###############################################################################
+compile:
+    stage: simulation
     script:
         - echo "Compiling for simulation"
         - mkdir build
@@ -15,27 +17,42 @@ sim-compile:
         paths:
             - build/
 
-sim-simulate:
-    stage: sim-simulate
+run:
+    stage: simulation
     script:
         - echo "Running simulations"
         - test -f "build/info.txt"
 
-hw-compile:
-    stage: hw-compile
+
+###############################################################################
+# Synthesis stage
+###############################################################################
+compile:
+    stage: synthesis
     script:
-        - echo "Compiling for hardware"
+        - echo "Compiling for synthesis"
 
-hw-check-fmax:
-    stage: hw-check-fmax
+check-fmax:
+    stage: synthesis
     script:
         - echo "Checking achieved fMax"
 
-hw-check-programming-files:
-    stage: hw-check-programming-files
+check-programming-files:
+    stage: synthesis
     script:
         - echo "Checking if programming files have been generated"
 
 
+###############################################################################
+# Hardware stage
+###############################################################################
+trigger-lofar2-opcua-test:
+  stage: hardware
+  only:
+    changes:
+      - applications/logar2/images/lofar2_unb2b_sdp_station_full.tar.gz
+  script:
+    - echo "Found updated programming file. Triggering OPC UA test."
+