Merge pull request #16 from SoCloz/run_timeout

nsqphp::run(): adds timeout
Merge pull request #14 from SoCloz/max_attempts_fix

FixedDelay: fixes max attempts check
Merge pull request #15 from SoCloz/new_rs

Adds 2 requeue strategies: delays list & growing delay
Merge pull request #13 from SoCloz/default_port_fix

nsqd connection: fixes default port handling
Adds message delay support