Implement internal state machine with no transaction required

https://bugzilla.redhat.com/show_bug.cgi?id=1089061
Prevent blank Storage Manger names.

It currently allows to pass a nil name of the storage manager, effectively making the 'show' view not-working because of trying to use `+' method on nil. This commit rectifies this issue by enabling name presence check in the model.

https://bugzilla.redhat.com/show_bug.cgi?id=1129718
dont ship default v2_key on cfme appliance

[skip ci]

https://bugzilla.redhat.com/show_bug.cgi?id=1132893
Get status input.

https://bugzilla.redhat.com/show_bug.cgi?id=1133624
Add key generation to appliance console

https://bugzilla.redhat.com/show_bug.cgi?id=1132893
Create ApplicationController::Filter#process_datetime_selector

Code deduplication (DRY)
Create ApplicationController::Filter#process_datetime_selector

Simplified character extraction from a string.
Create ApplicationController::Filter#process_datetime_selector

Explicitly declare this new method as private.
Create ApplicationController::Filter#process_datetime_selector

Simplified boolean logic around time_suffix computation.
Create ApplicationController::Filter#process_datetime_selector

Use new variable exp in place of @edit[@expkey]
Create ApplicationController::Filter#process_datetime_selector

Computed exp_value_key and defaulted exp_key to nil.
Create ApplicationController::Filter#process_datetime_selector

Compute value_key, instead of passing it as parameter.
Simplified ApplicationController::Filter#process_datetime_selector method
Handle AR exceptions when a new Catalog item is created

A call to create_request might lead to AR exceptions in the model that
need to be rescued and passed on to the controller.

https://bugzilla.redhat.com/show_bug.cgi?id=1095457
Give cli ability to configure tmp disk

https://bugzilla.redhat.com/show_bug.cgi?id=1134083
don’t confirm are you sure when not partitioning

https://bugzilla.redhat.com/show_bug.cgi?id=1134083
appliance console temp_storage fix rubocops
allow user to specify the ipa server realm

- this adds to the cli and appliance_console
- realm is also passed to ssl certificates
- better display of error messages

https://bugzilla.redhat.com/show_bug.cgi?id=1134540
Created a provision request cancel message to replace the generic "Add a new ____ cancelled by the user" message used by the prov_edit method in miq_request_methods.rb

New provision cancel message will be displayed after the cancellation of a host provision or vm provision.

https://bugzilla.redhat.com/show_bug.cgi?id=1114143
Merge pull request #464 from kbrock/appliance_console_tmp_storage

Give cli ability to configure tmp disk