add ability to set read_timout fot Net:HTTP
Merge pull request #44 from jp/master

add ability to set read_timout fot Net:HTTP - resolves #43
Update Gemfile.lock
Testing prose.io
Merge pull request #45 from Mik-die/backend

backend can be passed as env key
Bump
Merge remote-tracking branch 'upstream/master'

Conflicts:
	lib/rack/proxy.rb