CP-4460: Auto generate code for API messages marked as removed.

... there are also small tweaks to the formatter to make the generated code look nicer.

Signed-off-by: Zheng Li <zheng.li@eu.citrix.com>
CP-4460: mark WLB related API fields/messages as deprecated/removed.

Signed-off-by: Zheng Li <zheng.li@eu.citrix.com>
CP-4460: hide WLB's CLI cmdlet

According to the PR-1632 requirement, all WLB's API and CLI should remain and return a feature no longer available error message.

As such, we won't remove the CLI cmdlets implementation. Instead, we hide them from bash completion, to reduce their chances of being used. If a WLB related cmdlet is still called, the feature unavailable error will be eventually generated by API layer and pop through.

Signed-off-by: Zheng Li <zheng.li@eu.citrix.com>
CP-4460: remove WLB report/diagnose retrieve web services

and the corresponding cmdlets don't use API, so they need to return the feature removal error themselves.

Signed-off-by: Zheng Li <zheng.li@eu.citrix.com>
CP-4460: Remove the internal implementation of WLB interfacing components

Signed-off-by: Zheng Li <zheng.li@eu.citrix.com>
CP-4460: getter/setter/ctor/dtor etc. should inherit the lifecyle values from their corresponding fields/objects

so that when a field/object type is marked as removed, these implicit methods will reject clients with clear error message.

Note that, object/field/method types maked as removed will remain exist/effective in the DB layer, as they are also necceary in the case of upgrade (from previous releases).

Signed-off-by: Zheng Li <zheng.li@eu.citrix.com>
CP-4460: clear WLB metadata from DB during upgrade

Signed-off-by: Zheng Li <zheng.li@eu.citrix.com>
CP-4460: Cleanup some debug code

Signed-off-by: Zheng Li <zheng.li@eu.citrix.com>
Merge pull request #1138 from zli/xenserver/CP-4460

CP-4460: Remove WLB