tests for switch pull queue with alerts to push queue
Merge pull request #70 from featalion/alerts_tests

tests for switch pull queue with alerts to push queue
added adding alerts to readme
Update README.md
updated MQ version in Gemfile
documentation for alerts
Merge pull request #71 from featalion/alerts_tests

Documentation for alerts
Update test_iron_mq.rb
Added long polling test.
switch from string to integer

should be integer. String breaks and throws error
Merge pull request #73 from iron-io/string_fix

switch from string to integer
Minor test updates.
Merge remote-tracking branch 'origin/master'