Make script callable from everywhere. Fixes BorisWilhelms#9

Author: BorisWilhelms

scripts/arch-create-dotnet-devcert.sh

@@ -1,5 +1,5 @@
 #!/bin/sh
-. ./common.sh
+. "$(dirname "$0")/common.sh"
 
 OLD_CRT=/etc/ca-certificates/trust-source/localhost.p11-kit
 if [ -f "$OLD_CRT" ]; then

scripts/fedora-create-dotnet-devcert.sh

@@ -1,5 +1,5 @@
 #!/bin/sh
-. ./common.sh
+. "$(dirname "$0")/common.sh"
 
 $SUDO cp $CRTFILE "/etc/pki/ca-trust/source/anchors/"
 $SUDO update-ca-trust

scripts/ubuntu-create-dotnet-devcert.sh

@@ -1,5 +1,5 @@
 #!/bin/sh
-. ./common.sh
+. "$(dirname "$0")/common.sh"
 
 $SUDO rm /etc/ssl/certs/dotnet-devcert.pem
 $SUDO cp $CRTFILE "/usr/local/share/ca-certificates"