NodeBB will now listen to SIGINT signal
communication between loader and child
removing timeout before restarting nodebb, fixing nodebb executable
loader now handles arguments and ./nodebb watch command updated to not use loader.
added restart button to ACP (!!)
Merge branch 'master' into nodebb-loader
emitting alert when restart is attempted in development mode
Revert "emitting alert when restart is attempted in development mode"

This reverts commit 059c5452ea96a813875910773865c5b2df624f6a.
plugins and themes now trigger a restart
updated messages when toggling themes or plugins