Use the default gpg key if specified within the config file

src/freedombone-controlpanel-user

 GPG_ID=$(gpg --list-keys $MY_EMAIL_ADDRESS | sed -n '2p' | sed 's/^[ \t]*//')
 GPG_BACKUP_ID=$(gpg --list-keys "(backup key)" | sed -n '2p' | sed 's/^[ \t]*//')
 
+# If the default key is specified within gpg.conf
+if [ -f ~/.gnupg/gpg.conf ]; then
+    if grep -q "default-key" ~/.gnupg/gpg.conf; then
+        default_gpg_key=$(cat ~/.gnupg/gpg.conf | grep "default-key")
+        if [[ "$default_gpg_key" != *'#'* ]]; then
+            default_gpg_key=$(cat ~/.gnupg/gpg.conf | grep "default-key" | awk -F ' ' '{print $2}')
+            if [ ${#default_gpg_key} -gt 3 ]; then
+                GPG_ID=$(gpg --list-keys $default_gpg_key | sed -n '2p' | sed 's/^[ \t]*//')
+            fi
+        fi
+    fi
+fi
+
 # Start including files
 
 UTILS_FILES=/usr/share/${PROJECT_NAME}/utils/${PROJECT_NAME}-utils-*

src/freedombone-utils-gpg

     CURR_EMAIL_ADDRESS=$key_username@$HOSTNAME
     CURR_GPG_ID=$(gpg --homedir=/home/$key_username/.gnupg --list-keys $CURR_EMAIL_ADDRESS | sed -n '2p' | sed 's/^[ \t]*//')
 
+    # If the default key is specified within gpg.conf
+    if [ -f /home/$key_username/gpg.conf ]; then
+        if grep -q "default-key" /home/$key_username/gpg.conf; then
+            default_gpg_key=$(cat /home/$key_username/gpg.conf | grep "default-key")
+            if [[ "$default_gpg_key" != *'#'* ]]; then
+                default_gpg_key=$(cat /home/$key_username/gpg.conf | grep "default-key" | awk -F ' ' '{print $2}')
+                if [ ${#default_gpg_key} -gt 3 ]; then
+                    CURR_GPG_ID=$(gpg --homedir=/home/$key_username/.gnupg --list-keys $default_gpg_key | sed -n '2p' | sed 's/^[ \t]*//')
+                fi
+            fi
+        fi
+    fi
+
     sed -i "s|set pgp_encrypt_only_command.*|set pgp_encrypt_only_command=\"/usr/lib/mutt/pgpewrap gpg --batch --quiet --no-verbose --output - --encrypt --textmode --armor --trust-model always --encrypt-to $CURR_GPG_ID -- -r %r -- %f\"|g" /home/$key_username/.muttrc
     sed -i "s|set pgp_encrypt_sign_command.*|set pgp_encrypt_sign_command=\"/usr/lib/mutt/pgpewrap gpg %?p?--passphrase-fd 0? --batch --quiet --no-verbose --textmode --output - --encrypt --sign %?a?-u %a? --armor --trust-model always --encrypt-to $CURR_GPG_ID -- -r %r -- %f\"|g" /home/$key_username/.muttrc
 

src/freedombone-utils-keys

             CURR_GPG_ID=$(gpg --homedir=$HOME_DIR/.gnupg --list-keys $CURR_EMAIL_ADDRESS | sed -n '2p' | sed 's/^[ \t]*//')
             CURR_GPG_BACKUP_ID=$(gpg --homedir=$HOME_DIR/.gnupg --list-keys "(backup key)" | sed -n '2p' | sed 's/^[ \t]*//')
 
+            # If the default key is specified within gpg.conf
+            if [ -f $HOME_DIR/gpg.conf ]; then
+                if grep -q "default-key" $HOME_DIR/gpg.conf; then
+                    default_gpg_key=$(cat $HOME_DIR/gpg.conf | grep "default-key")
+                    if [[ "$default_gpg_key" != *'#'* ]]; then
+                        default_gpg_key=$(cat $HOME_DIR/gpg.conf | grep "default-key" | awk -F ' ' '{print $2}')
+                        if [ ${#default_gpg_key} -gt 3 ]; then
+                            CURR_GPG_ID=$(gpg --homedir=$HOME_DIR/.gnupg --list-keys $default_gpg_key | sed -n '2p' | sed 's/^[ \t]*//')
+                        fi
+                    fi
+                fi
+            fi
+
             echo $'Making backup copy of existing gpg keys'
             if [ -d $HOME_DIR/.gnupg ]; then
                 if [ -d $HOME_DIR/.gnupg_old ]; then