Move prerequisites.sh to lib folder

install-bridgehead.sh

@@ -1,7 +1,7 @@
 #!/bin/bash
 ### Note: Currently not complete, needs some features before useable for production
 
-if ! ./prerequisites.sh; then
+if ! ./lib/prerequisites.sh; then
     echo "Prerequisites failed, exiting"
     exiting
 fi

update-bridgehead.sh

@@ -7,6 +7,7 @@ log() {
 
 log "INFO" "Checking for updates of $service"
 # check prerequisites
+##TODO: Move to lib/prereq.sh
 prerequisites="git docker docker-compose"
 for prerequisite in $prerequisites; do
   $prerequisite --version 2>&1