Merge pull request #7 from wdrexler/master

Runner bugfixes
BFN and version bump
Fix missing require, correct capitalization in usage
Doc updates (thanks @saghul)
Typo

Thanks @eloycoto
Hint at license in gemspec
Fix sipp problems on running.

After -s option doesn't have whitespace, when running sipp need
whitespace for inteprate remote host.

Invalid
  sudo sipp -i 192.168.1.114 -p 8836 -sf /Users/eloycotopereiro/dev/sipp/sippcup/my_test_scenario.xml -l 10 -m 20 -r 5 -s 1192.168.1.120
Valid
  sudo sipp -i 192.168.1.114 -p 8836 -sf /Users/eloycotopereiro/dev/sipp/sippcup/my_test_scenario.xml -l 10 -m 20 -r 5 -s 1 192.168.1.120
Merge pull request #8 from eloycoto/master

Fix sipp problems on running.
[DOC] wait_for_bye is actually wait_for_hangup
Merge pull request #9 from sfgeorge/feature/wait_for_hangup_docs

[DOC] wait_for_bye is actually wait_for_hangup
Add .xml file extension to scenario file for runner execution.
Merge branch 'master' of github.com:bklang/sippy_cup
Update docs for development installation via bundle.
Merge pull request #11 from leifmadsen/feature/update_docs_for_bundle

Update docs for development installation via bundle.
Bundle's package name is Bundler