Fixes #13913 - split importing of host and facts

Fixes #13896 - Rename Anonymous role to Default role

fixes #13828 - CVE-2016-2100 - only showing relevant bookmarks

fixes #13852 - add user_data to images api docs

Fixes #6342 - merge compute profile when attributes in api host#create

API v2 host#craete call now merges user specified compute attributes
with compute profile. UI functionality remains untouched.

fixes #13409 - remove early initialisation of test DB

All models etc. referenced within the Rails environment startup,
including in initialisers should load without making any reference to
the database. This ensures when running `rake test` without a test DB...

Fixes #13554 - Setting releated to taxonomies shouldn't be shown if they are disabled

fixes #12436 - as a user I want to deploy vSphere vms on a storage pool

Fixes #13245 - Remove duplicate apipie description from compute_resources

fixes #12920 - allowing os parameters to be set via API