set /home/vagrant in server env
resolve prax before dns
allow setting of number of worker threads
Merge pull request #68 from suan/forward_home

set $HOME in server env
Merge pull request #69 from suan/increase_prax_resolver_precedence_unstable

resolve prax before dns
Merge pull request #70 from suan/dynamic_worker_count

allow setting of number of worker threads
explicitly look for 'dns' in nsswitch.conf
Merge pull request #75 from suan/fix_nsswitch_regex

explicitly look for 'dns' in nsswitch.conf
Proper port forwarding error report
Don't crash Prax on a thread error.

The error will already be properly logged by Microworker.
Catch Errno::ECONNRESET for port forwarding failures
Merge branch 'unstable' into packages
Rack dependency + RPM dependencies