Convert a lot of command line arguments to snake case (#498)

* Convert a lot of variables to snake case

* Add snakecase for variables made out of two words that had it in no version yet (for consistency)

* Adjust example files too

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Co-authored-by: JanHoefelmeyer <hoefelmeyer.jan@gmail.com>

docs/scripts/testChecker.sh

@@ -14,8 +14,8 @@ echo '==== run checker (twice)'
 cd ~/csaf_distribution
 
 ./bin-linux-amd64/csaf_checker -f html -o ../checker-results.html --insecure \
-  --client-cert ~/devca1/testclient1.crt \
-  --client-key ~/devca1/testclient1-key.pem \
+  --client_cert ~/devca1/testclient1.crt \
+  --client_key ~/devca1/testclient1-key.pem \
   --verbose --insecure localhost
 
 cat ../checker-results.html

docs/scripts/uploadToProvider.sh

@@ -23,7 +23,7 @@ for f in $(ls csaf_examples); do
     ../../bin-linux-amd64/csaf_uploader --insecure -P security123 -a upload \
         -t ${TLPs[$((COUNTER++ % 4))]} \
         -u https://localhost:8443/cgi-bin/csaf_provider.go \
-        --client-cert ~/devca1/testclient1.crt \
-        --client-key ~/devca1/testclient1-key.pem \
+        --client_cert ~/devca1/testclient1.crt \
+        --client_key ~/devca1/testclient1-key.pem \
         ./csaf_examples/"$f"
 done