Bug 903071: 'rhc setup' can show unexpected error message

Indicate what exception is seen when SSH connection fails, so the
message is more meaningful.
Bug 903164 - Arguments with an app_context not being pulled off the stack
Merge pull request #282 from BanzaiMan/bz903071

Merged by openshift-bot
Bug 903071: bypass test_ssh_connectivity if ssh key is not uploaded
Don't say anything, since user expressly told us not to upload the key.
Fix up specs.

wizard.rb: rest_client can be nil during the spec run
wizard_spec.rb: set up stubs correctly at various stages of the spec runs so that wizard behaves correctly.
Merge pull request #283 from smarterclayton/bug_903164_take_args_correctly

Merged by openshift-bot
Put code where they belong.
Automatic commit of package [rhc] release [1.3.7-1].
Merge pull request #284 from BanzaiMan/bz903071

Merged by openshift-bot
Automatic commit of package [rhc] release [1.3.8-1].
bump_minor_versions for sprint 23
Automatic commit of package [rhc] release [1.4.1-1].
Adding back cartridge storage functionality.
Match the new min for scaled php cartridge
Fix RHC Extended test failures.

Due to the recent model refactoring on the broker, we no longer create TXT DNS records.
This is used in the "Then" clauses of the failing Cucumber scenarios, which should now simply return true.
Merge pull request #285 from jtharris/features/US2438_redux

Merged by openshift-bot
Merge pull request #286 from BanzaiMan/dev/hasari/fix_rhc_extended

Merged by openshift-bot
Automatic commit of package [rhc] release [1.4.2-1].
Removing deprecated rhc- commands.