Im

* Fix error configuring VMs with sudo with password.
* Improve load data.
* Fix Bug in IM in HA mode getting old data.
* Merge correctly local /etc/hosts with IM generated data.
* Bootstrap ansible master VM with python if it does not have it installed.
* Fix Error configuring VMs with sudo with password.
* Fix errors in EC2, GCE and OCCI connectors.
* Add new timeout config value for SSH access.
* Add support for cheroot library.

* Remove DATA_FILE from configuration. Only DB now.
* Change DB format. Old 1.4.X data must be updated.
Use the script: db_1_4_to_1_5.py to update the DB format:
* Install new IM 1.5.0 version.
* In case that you were using a DATA_FILE to store the IM data (the default option in old version of IM), define the DATA_DB in the im.cfg file.
* Execute the script db_1_4_to_1_5.py (https://raw.githubusercontent.com/grycap/im/master/scripts/db_1_4_to_1_5.py).
* In case that you were using a DATA_FILE you have to specify it as the first parameter of the script.
* If you were using a DATA_DB to store your data this parameter is not needed.
* The data will be moved to the new format and old data will be renamed as table inf_list_XXXXXX.
* Remove use of insecure Pickle data.
* Add Vault support.
* Bugfix with sqlite databases.
* Fix some Kubenetes connector errors.
* Improve Docker connector.
* Bugfix killing child processes.
* Error in GCE connector in case of multiples nodes.
* Add FW creation support in GCE connector.
* Move connectors from httplib to requests lib enhancement.
* Improve data management in DB to enable HA enhancement.
* Move Azure connector to Resource Groups API enhancement.
* Change SOAPpy lib to suds.
* Add support for OpenStack pool name in OCCI connector.

* Bugfix setting step num in case if using contextualizes
* Bugfix mapping ips to RADL networks in OpenStack and OpenNebula connectors
* Bugfixes in OpenStack connector
* Bugfixes in REST API not multithreaded
* Bugfixes Error installing IM using pip in Ubuntu 16
* Set restrictive permissions in the master VM data dir

* Return 403 error in REST API when the user cannot access the infrastructure
* Assure to kill ansible processes is case of ctxt timeout
* Bugfix in some configuration cases
* Bugfix not installing ansible roles defined in not master vm
* Add im.service file add support to systemd
* Enable to add a Storage to a running VM in the OCCI and OpenNebula connectors
* Bugfix in OCCI not waiting the volumes on creation

* Change conf-ansible recipe to use pip in case of CentOS 6
* Improvements for VMs that reqs a priv IP but gets a public one
* Put check_im_user in all api functions
* Bugfix in Docker connector with CpuShares
* Add ANSIBLE_INSTALL_TIMEOUT var
* Create user with cloudinit in OpenStack connector
* Improve error msg in ssh wait
* Bugfixes in Azure connector

* Bugfix killing ansible proceses
* Enable to keygen in OpenNebula connector
* Add env variable IM_DATA_DB to enable to change the DB in a container
* Bugfox with VMRC lib and SOAPPy
* Change winrm UnauthorizedError exception for new class Authentication