Im

* 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.

* Homogenize Inf ID log message
* Fix error cpu.count parameter is ignored in OpenStack conn.
* Fix ansible_version is not available in ctxt process.

* Store tenant and project in OCCI connector.
* Fix error validating keystone token in OCCI conn.
* Decrease timeout getting ansible process results.
* Enable to get the initial infrastructure contextualization log.

* Enable to reuse keystone tokens in OCCI conn.
* Add support to specify the project in case of OCCI OpenStack sites.
* Add the Inf ID in all the related log messages.
* Fix error in auth process in old OpenStack sites.
* Fix error setting Hostname in Docker, Kubernetes and AzureClassic conns.
* Fix error connecting with Synefo OCCI sites.
* Fix error deleting VM in OCCI OpenNebula sites.