Im

* Fix error getting VM info in case of having an HD added.
* Improve OpenStack network management.
* Enable to set poolname in the TOSCA docs.
* Error when trying to attach a storage in OCCI (OpenStack sites).

* Fix Error setting the INF_CACHE_TIME conf variable time.
* Add support to availability_zone in tosca.policies.Placement.
* Enable to set instance_tags in connectors.
* Fix error in Azure conn: VM disks are not deleted when VM is finalized, only when Infrastructure is destroyed.

* Fix problems with nodes with IPv6 in OpenStack conn.
* Fix Azure conn does not get the correct state (in case of suspended VMs).
* Enable to specify pool_name in the network provider_ip in OpenStack conn.

* Return correct URL path when IM is behind a nginx proxy (or similiar)
* Fix error in case of Max contextualization time passed the nodes are maintained in running state.
* Add availability_zone field in OpenStack conn.
* Fix error showing error messages with special characters.
* Fix error in occi connector in case of setting and slash at the end of the host URL.
* Move FogBow connector to requests library
* Enable to reference an existing volume in OCCI conn
* Fix error Resources in Azure are not properly deleted and IM returns "successfully destroyed"
* Fix error GCE conn assing public IPs to all VMs.
* Fix error using vault recipe options with ubuntu 2.4
* Fix than user/pass credentials can access OpenID infras
* Enable to create an infrastructure async
* Return IM list in correct order (by creation)
* Add TOSCA support por managing node Endpoints
* Fix error processing TOSCA node artifacts as lists
* Improve VM launch paralelism
* Add VM creation retry in conns
* Change the behaviour en case of VM launch failure.
* Add TOSCA support for REST AlterVM function
* Add TOSCA support from INDIGO fork
* Add export and import functions in REST API
* Change in the DB schema in the case of MySQL DB. This command must be made
in the current DB:
ALTER TABLE `inf_list` ADD COLUMN `rowid` INT AUTO_INCREMENT UNIQUE FIRST;

* Fix error with the update of pyOpenSSL package causes Ansible error.
* Fix error contextualizing docker containers.
* Improves performance deleting an infra when configuring it.
* Fix error in EC2 conn getting security groups in case of VPC usage.
* Improve AlterVM function to allow receive complete RADL.
* Add --version option in im_service.py.
* Fix error reconfiguring nodes in case of addition of nodes.
* Avoid "Failed to lock apt for exclusive operation" in contextualization.

* Fix authorization file format does not allow passwords that contain ";".
* Improve error message in ONE conn in case net without leases.
* Fix error using disks.free_size in connectors.
* Add retries in Azure RG deletion.
* Avoid raising error in case that one auth line does not have the type field.