Defer starting process-manager until app start

Allows -v/--version and -h/--help to work properly, per #677
Don't load entire app for -v and -h
fix: syntax error, missing {

Introduced in f560086
hide pointer on placeholder icons
Merge pull request #731 from strongloop/feature/landing-page-redesign2

hide pointer on placeholder icons
#572 #554
add 'select a process' to pid selector label
Merge pull request #733 from strongloop/feature/profiler-navbar

add 'select a process' to pid selector label

#730