Rebrand project to PiSCSI (#1016)

* Rebrand project to PiSCSI
- rascsi ->piscsi
- rasctl -> scsictl
- rasdump -> scsidump
- ras* -> piscsi* (rasutil -> piscsi_util, etc.)

* Refined the formatting and wording of the app startup banner
* Kept some references to rascsi and rasctl where backwards compatibility is concerned
* Point to the new github repo URL

Co-authored-by: nucleogenic <nr@nucleogenic.com>
Co-authored-by: Uwe Seimet <Uwe.Seimet@seimet.de>

python/web/mock/bin/brctl

@@ -1,9 +1,9 @@
 #!/usr/bin/env bash
 
-# Mock responses to rascsi-web
+# Mock responses to piscsi-web
 case $1 in
   "show")
-    echo "rascsi_bridge		8000.dca632b05dd1	no		eth0"
+    echo "piscsi_bridge		8000.dca632b05dd1	no		eth0"
     ;;
 
   **)

python/web/mock/bin/journalctl

@@ -1,6 +1,6 @@
 #!/usr/bin/env bash
 
-# Mock responses to rascsi-web
+# Mock responses to piscsi-web
 case $1 in
   -n)
     echo "logs $*"

python/web/mock/bin/systemctl

@@ -1,6 +1,6 @@
 #!/usr/bin/env bash
 
-# Mock responses to rascsi-web
+# Mock responses to piscsi-web
 case $1 in
   is-active)
     echo "is-active"