Update travis to run >= 1.9.3
Remove gem signing
Use secure rubygems
make test pass
per run optional configuration. Aka multiple configurations
fix the default config
move config selector to application
removed last remain of gem_cert
fix: call config on self
changed travis. Allow failure on experimental
Added tests for initializing Application with config
Merge pull request #73 from ismaelga/multiple_configurations

Multiple configurations
Allow rubinius failures
Remove broken ruby-head from Travis config
Adding configurable open/read timeouts to POP3 receiver
Merge pull request #76 from 90seconds/master

Adding configurable open/read timeouts to POP3 receiver
Update README
Add CLI support
Merge pull request #77 from inbeom/cli

Command line interface
Fix wrong arguments given to Net::IMAP constructor, it should take 2 arguments host and options.

ssl option can be hash now, in this case Net::IMAP pass it to OpenSSL::SSL::SSLContext#set_params, so we can pass SSL tuning options.