<build/devenv> fix wording on --v2cart usage output

This option to "build/devenv launch" had inaccurate documentation in
the usage output (build/devenv help launch). The option was also
undocumented in README.md. This commit addresses both issues.
Merge pull request #56 from dobbymoodge/devenv-v2cart-wording

Merged by openshift-bot
prune sqe instances
Making ruby version check more lenient
build jbossas for fedora
Merge pull request #58 from bdecoste/master

Merged by openshift-bot
Switched Fedora build to F19
Added cucumber rerun formatter based retry mechanism
Added build_vm, test_vm Thor tasks to be able to build and test on a VM based devenv
Added restart_services task to restart all openshift services on a devenv
Added support for machines with primary network card that is not eth0
Moving from "su" to "sudo" to accomodate newest RHEL and Fedora AMIs
Change to specify user login as an option. Defaults to root.
Removing secondary tests (V1 carts)
Add test option to run a bundler before cucumber execution. (Used by rhc)
Fix sanity tests runner
Merge pull request #57 from kraman/f19_fixes

Merged by openshift-bot
Print out list of still running tests in each queue
Fix fedora 19 dependency mirror URL
Get ssh_user from options hash
Fixing passenger patch (F19 only)
Fixing bad reference to SSH_USER constant
Fix cucumber command builder
Fix passenger patch command
Catch and report on testrunner exceptions
Catch permission exception when terminating instance
Fixing ssh_user for terminate task
Increase puppet configure retry count
Fix bug in RHC Spec test for RHEL
Add workaround for https://bugs.launchpad.net/cloud-init/+bug/1180028 bug in RHEL AMIs
Fix vm build
Add option for additional formatter like junit when adding cucumber tests
Merge pull request #59 from kraman/f19_fixes

Merged by openshift-bot