Read the PM2_MODIFY_REQUIRE from process.env first before default to constant value

Read the PM2_MODIFY_REQUIRE from process.env first before default to constant value
read the last 1000 bit log on `pm2 logs` started
add pm2_id to external msgs to link msg to sending process
more consistent external bus msg routing
fix startup message
add reload to startup script
Merge pull request #234 from matsuu/add-reload-to-startup-script

add reload to startup script
Merge pull request #233 from matsuu/fix-startup-message

fix startup message
Merge pull request #229 from bpostlethwaite/add-pm2ID-to-Bus

add pm2_id to external msgs to link msg to sending process
Merge branch 'master' of https://github.com/sailxjx/pm2
Merge pull request #220 from sailxjx/master

read the last 1000 bit log on `pm2 logs` started
Merge branch 'master' of github.com:Unitech/pm2
.13
readme.md modif
readme.md modif
README.md update
emit logs
0.6.14
bug fix:
`pm2 logs name` will not dump the expected process's log
Merge pull request #239 from sailxjx/master

bug fix: `pm2 logs name` will not dump the expected process's log