[fix] 1. auto detect Boolean and Number configurations.
[fix] 1. sockets are sorted by created time now; 2. restart/stop apps like a waterfall (fixes #603); 3. user-defined config (fixes #634); 4. all the logs put into `logs` directory; 5. `pidPath`, 'sockPath'.. are all readonly to avoid damage the ecological of `forever` ...
[fix] 1. configuration docs, 2. list contributors
list contributors
test case for user-defined configuration