bc command check and version update in config file in evernode update (#138)

* Version upgrade in config file.
* Check whether bc utility is installed.

installer/sashimono-install.sh

@@ -171,6 +171,10 @@ else
     ! $SASHIMONO_BIN/sagent new $SASHIMONO_DATA $inetaddr $inst_count $cpuMicroSec $ramKB $swapKB $diskKB && rollback
 fi
 
+if [[ "$NO_MB" == "" && -f $MB_XRPL_DATA/mb-xrpl.cfg ]]; then
+        ! sudo -u "$MB_XRPL_USER" MB_DATA_DIR="$MB_XRPL_DATA" node "$MB_XRPL_BIN" upgrade && rollback
+fi
+
 # Install Sashimono Agent systemd service.
 # StartLimitIntervalSec=0 to make unlimited retries. RestartSec=5 is to keep 5 second gap between restarts.
 echo "[Unit]

installer/setup.sh

@@ -521,6 +521,12 @@ if [ "$mode" == "install" ]; then
 
     check_sys_req
 
+    # Check bc command is installed.
+    if ! command -v bc &>/dev/null; then
+        echo "bc command not found. Installing.."
+        apt-get -y install bc >/dev/null
+    fi
+
     # Display licence file and ask for concent.
     printf "\n*****************************************************************************************************\n\n"
     curl --silent $licence_url | cat