Cherry-pick commits from release-0.4

*Update requirements and package version
Closes-Bug: #1269769

*Add new setup scripts
	Removed old setup scripts

* Make modify_horizon_config is up-to-date
	modify-horizon-config.sh helper script, this script
	used only for RPMBUILD and would be removed during code refractory procedure

* Show floating ip in details
	blueprint auto-assign-floating-ip

* Show floating IP checkbox only for 'routed'
	Set floatingIp to the unit level
	blueprint auto-assign-floating-ip

* Add hint for fixed IP address (as placeholder)
	Fixes-Bug: #1272361

* Check title in mark image form
	Title should be unique
	To prevent extra api call to glance hidden fiels was used
	Closes-Bug: 1259522

* Remove error code from inform messages
	Closes-Bug: 1268929

Change-Id: Id3ad4581cd9ce40a569ac580d0aee8db0178553c