Simpler master password

src/freedombone-pass

 get_backup_key_id
 
 if [ ${#MASTER_PASSWORD} -eq 0 ]; then
-    # Use the backups private key as a symmetric passphrase
-    MASTER_PASSWORD=$(gpg -q --armor --export-secret-key $MY_BACKUP_KEY_ID | sed '/---/d' | sed '/Version/d' | sed '/^$/d')
+    if [ ! -d /root/.passwords/root ]; then
+        mkdir -p /root/.passwords/root
+    fi
+    if [ ! -f /root/.passwords/root/master ]; then
+        echo "$(openssl rand -base64 32 | cut -c1-30)" > /root/.passwords/root/master
+        chmod 700 /root/.passwords/root/master
+    fi
+    MASTER_PASSWORD=$(cat /root/.passwords/root/master)
 fi
 
 if [ $TESTS ]; then
     exit 3
 fi
 
-if [[ "$CURR_USERNAME" == "root" ]]; then
-    if [ ! -d /root/.passwords/root ]; then
-        mkdir -p /root/.passwords/root
-    fi
-    if [ ! -f /root/.passwords/root/master ]; then
-        echo "$(openssl rand -base64 32 | cut -c1-30)" > /root/.passwords/root/master
-        chmod 700 /root/.passwords/root/master
-    fi
-    MASTER_PASSWORD=$(cat /root/.passwords/root/master)
-fi
-
 if [ ${#CURR_PASSWORD} -eq 0 ]; then
     # retrieve password
     if [ ! -f ~/.passwords/$CURR_USERNAME/$CURR_APP ]; then